Forty-eight dice are rolled and each die that shows a "2" (a deuce) on top is removed. The remaining dice are rolled again and the deuces are removed. This procedure is repeated until all the dice are gone. How many rolls will be needed? Explain.

Assume that females have pulse rates that are normally distributed with a mean of mu equals 72.0 beats per minute and a standard deviation of sigma equals 12.5 beats per minute. complete parts (a) through (c) below. a. if 1 adult female is randomly selected, find the probability that her pulse rate is between 65 beats per minute and 79 beats per minute. the probability is? b. if 16 adult females are randomly selected, find the probability that they have pulse rates with a mean between 65 beats per minute and 79 beats per minute. the probability is? c. why can the normal distribution be used in part (b), even though the sample size does not exceed 30?

Select the correct answer from each drop down menu a marketing company conducted a survey to assess the audience response to different aspects of a new advertisement. the company randomly chose 100 people to watch several advertisements of different lengths. the respondents were asked to note which ads they disliked. the table shows the survey results duration of ad number of viewers (seconds) who disliked ad 60 relationship between the duration of advertisements and the correlation coeficient for this data set is close to based on this information, we can conclude that there is a the audience dislong them reset next

Whats the difference between -25 and 17