Author Question: Focus groups of 15 people are randomly selected to discuss products of the Yummy Company. It is ... (Read 71 times)

renzo156 · **on:** Jul 25, 2018

Focus groups of 15 people are randomly selected to discuss products of the Yummy Company. It
is determined that the mean number (per group) who recognize the Yummy brand name is 12.5,
and the standard deviation is 0.58.

Would it be unusual to randomly select 15 people and find that
fewer than 9 recognize the Yummy brand name?
A) Yes B) No

Question 2

In one town, 66 of adults have health insurance. What is the probability that 4 adults selected at
random from the town all have health insurance? Round to the nearest thousandth if necessary.

A) 0.19 B) 0.061 C) 0.66 D) 2.64