Griffin unit 4 optional credit quiz

The odds of tails on an unfair coin are the same as heads

What is the probability of the union of two events A and B if P(A) = 0.4, P(B) = 0.3, and P(A∩B) = 0.1?

A lottery game where 10,000 tickets are sold at 1 each and there is one prize of 7500, which isnt true

If P(A) = 0.5 and P(B) = 0.3, what is P(A and B) if A and B are independent?

.4 of students study statistics .3 study calculus, and .15 study both. for a random student S=stat C=Calc, which is true

What does a cumulative probability distribution represent?

random variable X has parameters n = 25 and p = 0.3. Which best describes the shape

In a binomial setting with n=5 and p=0.4, which of the following is NOT a valid probability calculation?

A fair six-sided die is rolled twice. Which sample space is most appropriate for analyzing the probability of obtainin

The probability a person agrees is 0.08. What is the probability for exactly 5 calls to find the first person agrees

X is normal distribution with mean 50 and variance 64. Which would result in a standard normal distribution Z

Is earning an A in English independent from earning an A in science

40 students with 6 left handed. If picked randomly without replacement, whats the probability that 2 students are lefty

Which is true regarding the probability that a test-taker uses the 'guess' strategy according to the table above?

Amy has 12 brown, 8 white , 10 red , 6 blue , and 12 green in her bag. Whats the probability that its not brown or blue

How does a sample space relate to probability?

In a binomial distribution, if p = 0.5 and n = 8, what is the variance?

Given independent events A and B such that P(A)=0.3 and P(B)=0.5, which of the following is a correct statement?

A engineer tests components until finding a defective. Probability of defective is 0.15. whats odd of bad on 4th test

Whats the probability of having fun and learning in Mr. Paulson's class