n a certain family, there are 5 girl children. What is the probability that the next child will be a girl? Multiple Choice 12.5% 50% 25% 3.125% 6.25%

A bag contains 8 red chips and 12 blue chips. Two chips are selected randomly without replacement from the bag. What is the probability that the two chips are NOT the same​ color? A. 0.4947   B. 0.1474   C. 0.2526   D. 0.5053   E. 0.5474

Rodney is going to shoot a total of 9 free-throws to prove he is a better shooter than Chris. During warm-ups Rodney can make 57% of practice shots. The challenge results are as follows… • 9 hits Rodney wins $100 • 6-8 hits Rodney wins $25 • 4-5 No one wins • 0-3 hits Chris wins $15 What is the probability that Rodney makes 7 shot?

n a large population, 60 % of the people have been vaccinated. If 4 people are randomly selected, what is the probability that AT LEAST ONE of them has been vaccinated?Give your answer as a decimal (to at least 3 places) or fraction.

You play two games against the same opponent. The probability you win thefirst game is 0.4. If you win the first game, the probability you also win the second is 0.2.If you lose the first game, the probability that you win the second is 0.3. A tie is not anoption.a. Are the two games independent? Explain.b. What’s the probability you lose both games?c. What’s the probability you win both games?d. Let random variable X be the number of games you win. Find the probabilitymodel for X.

Delta Airlines flights from Bostin to Seattle are on time 70% of the time. Suppose 10 flights are randomly selected, and the number of on-time flights is recorded.  round answer to 3 significant figures  the probability that exactly 5 flights are on time is =the probability that at most 7 flights are on time is =the probability that at least 9 flights are on time is=