You are taking a multiple choice quiz that consists of twenty questions. Each question has five possible choices, only one of which is correct. To complete the
quiz, you randomly guess the answer to each question. Find the probability of
guessing:

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.