Question

An average person can type 40 words per minute. In order to find the probability that a person will type more than 100 words in 3 minutes using the Poisson distribution, what is the average number of words per 3 minutes.

a. 40 words
b. 80 words
c. 100 words
d. 120 words

Answer 1

Answer:

d. 120 words

Step-by-step explanation:

This question can be solved by a simple rule of three.

An average person can type 40 words per minute. How many words can they type in 3 minutes?

1 minute - 40 words

3 minutes - x words

$x = 40*3$

$x = 120$

So the correct answer is:

d. 120 words