Author Question: A hypothesis test is done in which the alternative hypothesis states that more than 10 of a ... (Read 222 times)

mia · **on:** Jul 24, 2018

A hypothesis test is done in which the alternative hypothesis states that more than 10 of a population is left-handed. The p-value for the test is calculated to be 0.25 . Which statement is correct?
a. We can conclude that more than 10 of the population is left-handed.
b. We can conclude that more than 25 of the population is left-handed.
c. We can conclude that exactly 25 of the population is left-handed.
d. We cannot conclude that more than 10 of the population is left-handed.

Question 2

Ms. Jackson of the Employment Agency believes that the agency receives an average of 16 complaints per week. Mr. Vermeer, the boss, thinks it is less. A sample of 10 weeks yields an average of 14 complaints per week with a standard deviation of 3 complaints. What is the standard error of the sample mean?