Author Question: A warehouse contains six parts made by company A and ten parts made by company B. If four parts are ... (Read 193 times)

go.lag · **on:** Jul 24, 2018

A warehouse contains six parts made by company A and ten parts made by company B. If four parts are selected at random from the warehouse, the probability that all four parts are from company B is approximately .008.
Indicate whether the statement is true or false

Question 2

The lower limit of a confidence interval at the 95 level of confidence for the population proportion if a sample of size 100 had 30 successes is:
a. 0.3898
b. 0.2102
c. 0.2959
d. 0.3041
e. 0.3126