Binomial Mean and SD / Review

Binomial Mean and SD / Review

Follow this with your Binomial Probability notes pages 4 -5

Multiple Choice

• A

• B

• C

Multiple Choice

• A

• B

• C

Fill in the Blank

Find the mean and standard deviation for the random variable Y in the FAIR COIN flipping problem.

 Find the probability that Y takes a value within 2 standard deviations of its mean.

Fill in the Blank

Find the probability that Y takes a value within 2 standard deviations of its mean.

Fill in the Blank

Find the mean and standard deviation for the random variable X in the TEAPOT problem.

First, define the random variable X.

Fill in the Blank

Find the mean and standard deviation for the random variable X in the TEAPOT problem.

Open Ended

Assume that 18% of all sports cars are red, and that a random sample of 50 sports cars is selected.

a) Find the probability that exactly 12 of these are red.

Open Ended

Assume that 18% of all sports cars are red, and that a random sample of 50 sports cars is selected.

b) Find the probability that fewer than 10 are red.

Open Ended

Assume that 18% of all sports cars are red, and that a random sample of 50 sports cars is selected.

c) Find the probability that at least 20 are red.

Open Ended

Assume that 18% of all sports cars are red, and that a random sample of 50 sports cars is selected.

d) Find the mean of this binomial distribution.

Open Ended

Assume that 18% of all sports cars are red, and that a random sample of 50 sports cars is selected.

e) Find the standard deviation of this binomial distribution.

Open Ended

2) A certain flight has an on-time rate of 60%, and a random sample of 25 of these flights is selected.

a) Find the probability that exactly 15 are on time.

Open Ended

2) A certain flight has an on-time rate of 60%, and a random sample of 25 of these flights is selected.

b) Find the probability that at most 5 are on time.

Open Ended

2) A certain flight has an on-time rate of 60%, and a random sample of 25 of these flights is selected.

c) Find the probability that more than 9 are on time.

Open Ended

2) A certain flight has an on-time rate of 60%, and a random sample of 25 of these flights is selected.

d) Find the probability that at least 7 are on time.

Open Ended

2) A certain flight has an on-time rate of 60%, and a random sample of 25 of these flights is selected.

e) Find the mean of this binomial distribution.

Open Ended

2) A certain flight has an on-time rate of 60%, and a random sample of 25 of these flights is selected.

f) Find the standard deviation of this binomial distribution.

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