Unit Test #74

Select your answers to the following 5 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 

 

Q1:

 

Daffodil bulbs are sold in boxes of 200.

It is known that 2% of daffodil bulbs fail to grow.

X is the random variable for the number of failed bulbs.

What type ofprobability distribution best describes this situation?

 

A. Binomial

B. Poisson

C. Normal

D. Rectangular

Answer 1:

 

 

Q2:

 

Could the Poisson distribution be used as a suitable approximation for X?

A. Yes

B. No

Answer 2:

 

 

Q3:

 

In question 1, if the Poisson approximation was used, what would be the mean of the Poisson approximation?

A. √ 2

B. 4

C. 16

D. 2

Answer 3:

 

 

Q4:

 

In question 1, if the Poisson distribution was used, what would be the probability that NO bulbs failed to grow.

A. 0.02

B. 0.0733

C. 0.0183

D. 0.1353

Answer 4:

 

 

Q5:

 

In question 1, if the Poisson distribution was used, what would be the probability that more than 3 bulbs would fail to grow?

A. 0.8046

B. 0.1954

C. 0.4335

D. 0.5665

Answer 5: