SOLUTION: I hopr some one can help me, I am having some troulbe with my statistics homework.I have two questions. Find the indicated binomial probabilities. Round to the nearest 3 decima

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Question 183819: I hopr some one can help me, I am having some troulbe with my statistics homework.I have two questions.
Find the indicated binomial probabilities. Round to the nearest 3 decimal places.
Hot Shot Battery manufactures batteries in batches of 15 with a defective rate of 10% (1 points each)
a.What is the probability that exactly 2 will be defective?

b.What is the probability that between 2 and 4 inclusive will be defective?
c. What is the probability that no batteries will be defective? d. Find the mean 

e. Find the variance 2

A Multiple-choice test has 15 questions with each having 4 possible answers with one correct. Assume a student answers every question.
(2.5 points each)
a. What is the probability of getting exactly 5 correct answers?

b. What is the probability of getting less than 6 correct answers?

I would like to thank you in advance for your help, and using your own to help me out.

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Answered on email.
Cheers,
Stan H.