(a) The probability that two randomly selected 1-year-old male chipmunks will live to be 2 years old is (Round to five decimal places as needed.) (b) The probability that seven randomly selected 1-year-old male chipmunks will live to be 2 years old is (Round to five decimal places as needed.) (c) The probability that at least one of seven randomly selected 1-year-old male chipmunks will not live to be 2 years old is (Round to five decimal places as needed.) Would it be unusual if at least one of seven randomly selected 1-year-old male chipmunks did not live to be 2 years old?

The probability that a person in the United States has type B​+ blood is 8​%. Five unrelated people in the United States are selected at random. Complete parts​ (a) through​ (d). ​(a) Find the probability that all five have type B​+ blood.   The probability that all five have type B​+ blood is nothing. ​(Round to six decimal places as​ needed.) ​(b) Find the probability that none of the five have type B​+ blood.   The probability that none of the five have type B​+ blood is nothing. ​(Round to three decimal places as​ needed.) ​(c) Find the probability that at least one of the five has type B​+ blood.   The probability that at least one of the five has type B​+ blood is nothing. ​(Round to three decimal places as​ needed.) ​(d) Which of the events can be considered​ unusual? Explain. Select all that apply.     A. The event in part (a) is unusual because its probability is less than or equal to 0.05.   B. The event in part​ (b) is unusual because its probability is…

A physics class has 50 students. Of these, 11 students are physics majors and 16 students are female. Of the physics majors, three are female. Find the probability that a randomly selected student is female or a physics major. The probability that a randomly selected student is female or a physics major is (Round to three decimal places as needed.) ******************

The probability that a randomly selected 40- year old female will live to be 41 - year old is 0.988 according to study. What is the probability that two randomly selected 40-year-old women will live to be 41 years old?

Of the cartons produced by a company, 10% have a puncture, 5% have a smashed corner, and 0.9% have both a puncture and a smashed corner. Find the probability that a randomly selected carton has a puncture or a smashed corner. The probability that a randomly selected carton has a puncture or a smashed corner (Type an integer or a decimal. Do not round.)

Assume that when adults with smartphones are randomly selected, 39% use them in meetings or classes. If 15 adult smartphone users are randomly selected, find the probability that exactly 9 of them use their smartphones in meetings or classes. The probability is (Round to four decimal places as needed.)

The probability that Mr. Johnson goes for an evening walk on any given day during the winter is 0.56.  Out of 89 days of winter, the number of days that Mr. Johnson is expected not to take an evening walk to the nearest day, is