(Answered) Leakage from underground gasoline tanks at service stations

Statistics

Leakage from underground gasoline tanks at service stations can damage the environment. It is estimated that 25% of these tanks leak. You examine 15 tanks chosen at random, independently of each other.

(a). What is the mean number of leaking tanks in such samples of 15?

(b). What is the probability that 10 or more of the tanks leak?

(c). Now you do a larger study, examining a random sample of 1000 tanks nationally. What is the probability that at least 275 of these tanks are leaking?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91524741
Price:- $20

Verified Expert

Priced at $40 Now at $20, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Butterfly tractors had 1850 million in sales last year cost

Butterfly Tractors had $18.50 million in sales last year. Cost of goods sold was $8.90 million, depreciation expense was $2.90 million, interest payment on outstanding debt was $1.90 million, and the firm's tax rate was ...

For the pastnbsp110nbspyears a certain state

For the past 110 ?years, a certain state suffered 28 direct hits from major? (category 3 to? 5) hurricanes. Assume that this was typical and the number of hits per year follows a Poisson distribution. Complete parts? (a) ...

The probability of someone ordering the daily special is 52

The probability of someone ordering the daily special is 52%. If the restaurant expected 96 people for lunch, how many would you expect to order the daily special?

1 what is the price of a semiannual 1000 par value bond

1) What is the price of a semiannual $1,000 par value bond with four years left until maturity that pays a coupon of 3.75% and is yielding 5.25%? What would it be yielding if the price decreased to $973.47? Assume semian ...

What is measured by the numerator of the z-score test

What is measured by the numerator of the z-score test statistic?

How does a firm navigate strategic management in the

How does a firm navigate strategic management in the context of an international environment? What complications does an international environment provide? What are the benefits of operating in an international environme ...

Suppose a firm uses sales teams to market their products

Suppose a firm uses sales teams to market their products. For example, a construction equipment manufacturer may assign three sales agents to a team so each team member can specialize in particular product functions (e.g ...

In a specific sample size of 100 what is the range within

In a specific sample size of 100, what is the range within the groups average iron level would be considered ususal? Using the Central Limit Theorem and the Empirical Rule

A sample of 175 randomly selected students found that the

A sample of 175 randomly selected students, found that the proportion of students planning to travel home for thanksgiving is 0.64 What is the standard deviation of the sampling distribution.

Jeremy needs to start paying back his student loan the

Jeremy needs to start paying back his student loan. The amount he owes is $14,069.80 with an APR of 6.94%. Assuming he will take 10 years, how much will his monthly payment be?

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert