Find the critical value z Subscript c necessary to form a confidence interval at the level of confidence shown below.
Home
Find the critical value z Subscript c necessary to form a confidence interval at the level of confidence shown below.
feel free to call us +800.241.0630 russ@russellcoder.com
Related Articles


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 credit card company claims that the mean credit card debt for individuals is greater than $ 5000. You want to test this claim. You find that a random sample of 30 cardholders has a mean credit card balance of $ 5202 and a standard deviation of $ 600. At alpha equals 0.01, can you support the claim? Complete parts (a) through (e) below. Assume the population is normally distributed.
russellc, , Statistics, 0
see excel spreadsheet. This your answer

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

A nutritionist claims that the mean tuna consumption by a person is 3.9 pounds per year. A sample of 60 people shows that the mean tuna consumption by a person is 3.5 pounds per year. Assume the population standard deviation is 1.11 pounds. At alpha equals 0.1, can you reject the claim?
russellc, , Statistics, 0
see excel spreadsheet. This your answer

Use the given statement to represent a claim. Write its complement and state which is Upper H 0 and which is Ha. u<431
russellc, , Statistics, 0
Find the complement of the claim. A. Pick the opposite of the "greater that or less than sign"of the...

Construct the confidence interval for the population mean u.
russellc, , Statistics, 0
c = 0.95. x = 9.2. a = 0.4. and n = 59 A 95% confidence interval for p...

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...