Leakage from underground gasoline tanks at service stations can damage the environment. It is estimated that 30% of these tanks leak. You randomly choose 30 tanks at random. A. Does the binomial setting apply? Explain B. What is the mean number of leaking tanks in such samples od 30 tanks? What is the standard deviation? C. What is the probability 25 of these tanks leak? D. What is the probability more than 15 tanks leak in samples of 30 tanks?

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Leakage from underground gasoline tanks at service stations can damage the environment. It is estimated that 30% of these tanks leak. You randomly choose 30 tanks at random.

A. Does the binomial setting apply? Explain

B. What is the mean number of leaking tanks in such samples od 30 tanks? What is the standard deviation?

C. What is the probability 25 of these tanks leak?

D. What is the probability more than 15 tanks leak in samples of 30 tanks?

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