Use the given confidence interval to find the margin of error and the sample mean. (13.6,22.8)
Home
Use the given confidence interval to find the margin of error and the sample mean. (13.6,22.8)
feel free to call us +800.241.0630 russ@russellcoder.com
Related Articles

Use the given statement to represent a claim. Write its complement and state which is Upper H 0 and which is Ha. p < 0.55
russellc, , Statistics, 0
Part A is the answer. A. Pick the opposite of the “equation” see excel spreadsheet. This your answer B....

For the statement below, write the claim as a mathematical statement. State the null and alternative hypotheses and identify which represents the claim. A laptop manufacturer claims that the mean life of the battery for a certain model of laptop is more than 5 hours
russellc, , Statistics, 0
Part A is just stating the the claim numberically with is u >5. Part B = Ho is the...

Find the minimum sample size n needed to estimate p for the given values of c, a, and E.
russellc, , Statistics, 0
c = 0.90. a = 9.9. and E = 2 Answer = 67


Use the confidence interval to find the margin of error and the sample mean.
russellc, , Statistics, 0
(0.264,0.460) The margin of error is 0.098.The sample mean is .3620.

or the statement below, write the claim as a mathematical statement. State the null and alternative hypotheses and identify which represents the claim. The standard deviation of the base price of a certain type of allterrain vehicle is equal to $305.
russellc, , Statistics, 0
Part A is just stating the the claim numberically with is u =305. Part B = Ho is the...


A soccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.05 in. (a) Determine the minimum sample size required to construct a 90% confidence interval for the population mean. Assume the population standard deviation is 0.20 in. (b) Repeat part (a) using a population standard deviation of 0.40 in. Which standard deviation requires a larger sample size? Explain.
russellc, , Statistics, 0