Devry Math 221 Week 4 Homework - Latest

DeVry MATH 221 Week 4 Homework - Latest

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MATH 221 Homework Week 4 - 2015

1. The histograms each represents part of a binomial distribution. Each distribution has the same probability of success, p, but different numbers of trials, n. Identify the unusual values of x in each distogram.

• N = 4

• N = 8

1. Choose the correct answer below. Use histogram

2. X = 0, x = 1, x = 2, x = 3, and x = 4

3. X = 3 and x = 4

4. X = 0 and x = 1

5. There are no unusual values of x in the histogram

6. X = 7

7. X = 0, x = 1, x = 2, x = 3, and x = 4

8. X = 0 and x = 1

9. X = 0 and x = 1

10. There are no unusual values of x in the histogram

2. The histograms each represents part of a binomial distribution. Each distribution has the same probability of success, p, but different numbers of trials, n. Identify the unusual values of x in each distogram.

• N = 4

• N = 8

• Choose the correct answer below. Use histogram (a).

1. X = 4

2. X = 0, x =7, and x = 8

3. X = 2

4. There are no unusual values of x in the histogram

• Choose the correct answer below. Use the histogram (b)

1. X =0, x =7, and x = 8

2. X = 4

3. X = 4

4. There are no unusual values of x in the histogram

3. About 80% of babies born with a certain ailment recover fully. A hospital is caring for five babies born with this ailment. The random variable represents the number of babies that recover fully. Decide whether the experiment is a binomial experiment. If it is, identify a success, specify the values of n, p, and q, and list the possible values of the random variable x.

Is the experiment a binomial experiment?

Yes

No

What is a success in this experiment?

Baby doesn’t recover

Baby recovers

This is not a binomial experiment

Specify the value of n. Select the correct...