80 and Arandom variable X follows a binomial distribution with n p=0.25. Find P(15 < X < 25). for The random variable

Post by **answerhappygod** » Wed Dec 08, 2021 5:09 am

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80 and Arandom variable X follows a binomial distribution with n p=0.25. Find P(15 < X < 25).

for The random variable Y has the following PMF: P (Y = y) = x 4 y=1,4,9, and 16. What does the value of C need to be to make this a true PMF?

10 students at Belchertown Senior High School are going to take the AP Calculus exam. In order to pass the class, a student must score a 4 or 5 on the exam. Each student has a 55% chance to pass the exam. Assuming independence between the students, what is the probability that exactly 7 of the 10 students score a 4 or a 5? Note: Round to the nearest thousandth.