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Rod
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User Rod
Recent activity
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What is 1/3 of $80,000
answered
Jun 1, 2019
in
Algebra 1 Answers
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4.2k
views
integrate (64-x^3)^0.5
answered
May 31, 2019
in
Calculus Answers
|
569
views
order of operations
integral
the average of of initial public offering prce for stocks in 1999 was $18 per share. at 1% significant level, conduct a hypothesis test to determine if that the mean offer price was $18 per share
answered
May 30, 2019
in
Statistics Answers
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484
views
statistics
sketch parabola with distance toll both/control room 100m, height structure 50m, maximum height depth 10m, maximum widht 60m
answered
May 30, 2019
in
Word Problem Answers
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421
views
A simple random sample of the sitting heights of 36 male students has a mean of 92.8cm. The population of males has...
answered
May 28, 2019
in
Statistics Answers
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2.0k
views
statistics problem
Eighty-one random people were surveyed about the time it takes to commute to work in the morning. The standard deviation of...
answered
May 28, 2019
in
Statistics Answers
|
1.2k
views
statistics
A watch designer claims that men have wrist breadths with a mean equal to 9 cm. A simple random sample of wrist...
answered
May 28, 2019
in
Statistics Answers
|
3.6k
views
statistics problem
A simple random sample of 20 women’s hair lengths prior to entering a local hair salon is found to have a standard deviation of 1.2 inches. Use a 0.01 significance level to...
answered
May 28, 2019
in
Statistics Answers
|
1.7k
views
statistics problem
The mean of a sample size n = 35 is 1860. The standard deviation of the sample is 102 and the population is...
answered
May 28, 2019
in
Statistics Answers
|
2.4k
views
confidence interval
A sample size of n = 20 is a simple random sample selected from a normally distributed population. Find the critical value ta/2 corresponding to a 95% confidence level.
answered
May 28, 2019
in
Statistics Answers
|
4.1k
views
critical value
The claim that 90% of Americans check their mail daily is tested. Also assume that the initial conclusion rejects the null hypothesis. State the final conclusion in simple, nontechnical terms
answered
May 28, 2019
in
Statistics Answers
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3.6k
views
The standard deviation of sample size of n = 15 is 345 and the mean is 6784. Given that the population follows a...
answered
May 28, 2019
in
Statistics Answers
|
3.2k
views
confidence interval
A simple random sample has a sample size of n = 65. Given the population is normally distributed, find the critical value...
answered
May 27, 2019
in
Statistics Answers
|
2.2k
views
critical value
The totals of the individual weights of garbage discarded by 62 households in one week have a mean of 27.553 lb. Assume...
answered
May 27, 2019
in
Statistics Answers
|
1.7k
views
statistics problem
S=2.3x+5y
answered
May 27, 2019
in
Trigonometry Answers
|
507
views
Let C(n) be the constant term in the expansion of (x + 4)n. Prove by induction that C(n) = 4n for all n is in N. (Induction on n.) The constant term of (x + 4)1 is
answered
May 27, 2019
in
Other Math Topics
|
1.5k
views
discrete mathematics
3x+7y=22; 4x-4y=16
answered
May 27, 2019
in
Algebra 1 Answers
|
754
views
Find the chi-square value X2/L corresponding to a sample size of 17 and a confidence level of 98%
answered
May 27, 2019
in
Statistics Answers
|
2.3k
views
chi-square
A simple random sample of 36 bottles of Helo, a healthy juice mix, has a mean volume of 12.19 oz. Assume that the...
answered
May 27, 2019
in
Statistics Answers
|
2.7k
views
statistics problem
A recent claim stated the mean temperature setting at a person’s home is 78.3 degrees F. A simple random sample of...
answered
May 27, 2019
in
Statistics Answers
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3.4k
views
statistics
A recent survey was conducted with a simple random sample of 35 shoppers at the food court tin a local mall. The mall claims that...
answered
May 27, 2019
in
Statistics Answers
|
1.5k
views
statistics problem
A diet plan claims that women have a mean weight of 145 lbs. Assume that the weights of women have a standard deviation...
answered
May 27, 2019
in
Statistics Answers
|
2.8k
views
statistics problem
find the area bounded by the curve y=x^2 and the stright line y=x+1
answered
May 27, 2019
in
Calculus Answers
|
742
views
calculus problems
find the exact area bounded by the curve y=cos3x
answered
May 27, 2019
in
Calculus Answers
|
1.4k
views
calculus problems
Limits x approach 0, show that (cos2x-cos3x)/(cos4x-1)= -5/16
answered
May 27, 2019
in
Calculus Answers
|
1.5k
views
calculus problems
What is 11/12 divided by 1/3
answered
May 27, 2019
in
Other Math Topics
|
1.5k
views
pls help
sinx+sin2x+sin3x+sin4x ÷cos x+cos2x-cos3x-cos4x=cotx
answered
May 26, 2019
in
Trigonometry Answers
|
3.6k
views
trigonometry problems
Find all solutions to cos2x=sinx in the interval (0, 2π)
answered
May 26, 2019
in
Trigonometry Answers
|
2.1k
views
solving equations
trigonometry problems
sin2x= -(sqrt2)sinx find all intervals
answered
May 26, 2019
in
Trigonometry Answers
|
906
views
trigonometry problems
find the general solution of cosx +sinx -sin2x=2
answered
May 26, 2019
in
Trigonometry Answers
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782
views
general solution
trigonometry problems
Factorise 6x2+9xy+27x3y2
answered
May 26, 2019
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430
views
2sin^2=sinx general solution
answered
May 26, 2019
|
258
views
factorial equation
answered
May 25, 2019
in
Algebra 1 Answers
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622
views
factorial
proof
find the first four terms in the binomial expansion 1/(3-2x)^2
answered
May 25, 2019
in
Other Math Topics
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2.1k
views
binomial expansion
y=2x-1 Graph on coordinate plane
answered
May 24, 2019
in
Algebra 2 Answers
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1.7k
views
graphing linear equations
algebra problems
Emmanuel plotted the function ƒ(x) = – 3 + 2x– 1 on a coordinate plane. What is the domain of this function?
answered
May 24, 2019
in
Algebra 1 Answers
|
665
views
algebra problems
i NEED HELP WITH NULL HYPOTHESIS
answered
May 24, 2019
in
Statistics Answers
|
934
views
(explain this to me statistics problem)
hypothesis testing
answered
May 24, 2019
in
Statistics Answers
|
927
views
hypothesis
Which choice shows a true conditional with a correctly identified hypothesis and conclusion?
answered
May 24, 2019
in
Geometry Answers
|
3.3k
views
geometry problems
conditionals
hypothesis
conclusion
A simple random sample of 28 wait times while pumping gas at gas station has a standard deviation of 20 seconds. The test statistic for...
answered
May 24, 2019
in
Statistics Answers
|
1.4k
views
statistics problem
How do I find the monthly car payment of a car that is priced at 2995 and has a down payment of 2138 and has an annual interest rate of 11% and a term of 60 months? Please help!!!
answered
May 24, 2019
in
Other Math Topics
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295
views
financial
car payment
monthly car payments
f ( x ) = (x*x) − ln( x )
answered
May 24, 2019
in
Trigonometry Answers
|
426
views
A Ferris wheel at a carnival has a radius of 26 feet. Suppose it turns at a rate of 15 revolutions per hour.
answered
May 24, 2019
in
Word Problem Answers
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2.6k
views
pre calculus problems
A ceiling fan has 17 -inch blades (so the radius of the circular fan is 17 inches). Suppose the linear speed of the tip of a blade is 13 feet per second.
answered
May 24, 2019
in
Word Problem Answers
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4.8k
views
Each bag of apples contained 5 and each bag of oranges contained 4. 6 bags of fruit bought and a total of 28 pieces of fruit.
answered
May 24, 2019
in
Algebra 1 Answers
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410
views
Eric dives off 6 m platform. he reaches a maximum height of 6.4 m after 0.28s. how long does it take him to reach the water
answered
May 24, 2019
in
Algebra 2 Answers
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3.4k
views
Find an nth-degree polynomial function with real coefficients satisfying the given conditions.
answered
May 23, 2019
in
Algebra 2 Answers
|
5.4k
views
What is x and y is 6x + 20y = 11.9
answered
May 23, 2019
in
Algebra 1 Answers
|
401
views
0.7 7 repeating as a fraction
answered
May 23, 2019
in
Fraction Problems
|
481
views
decimal to fraction
1. Given S = {x│x is a distinct letter of the word “prism”}. How many valid events of the sample space S can be formed if it contains “s” but does not contain “m”?
answered
May 23, 2019
in
Statistics Answers
|
514
views
probability
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