ANSWER AND WHY, THANKS
7. The company executives at Company XYZ, believe that only 40%
of their 10,000 employees are extremely satisfied with their jobs
and have been working to improve this value. Therefore, they just
surveyed 200 employees which indicated that 90 employees were
extremely happy working for Company XYZ. If the standard for
rejecting the null hypothesis is a 95% confidence interval, what do
you do?
a. Reject the null hypothesis
b. Fail to reject the null hypothesis
c. Do another sample with a smaller sample size
d. Not enough information to decide.
