Question

Ten students are chosen from a statistics class of 25. Let X be the number who got an A in the class. Please answer yes or no to each part of the question.

Yes No A fixed number of trials are conducted. If Yes - then n = _______?

Yes No There are 2 possible outcomes for each trial.

Yes No The probability of success is the same on each trial.

Yes No The trials are independent or the sample is less than 5% of the population.

Yes No The random variable X represents the number of successes that occur.

Yes No The distribution is binomial.

Answer 1

Answer:

Given that

Let x=the number who got an A in the class

n=10

(1)Yes, A fixed number of trials are conducted. then n=10

(2)Yes,There are 2 possible outcomes for each trial.

(3)Yes, The probability of success is the same on each trial.

(4)Yes, The trials are independent or the sample is less than 5% of the population.

(5)Yes,The random variable X represents the number of successes that occur.

(6)Yes,The distribution is binomial.