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April 25, 2014

April 25, 2014

Posted by **AMbe** on Saturday, August 4, 2012 at 10:02am.

a. What is the probability that the total number of people in the van is between 2 and 4 people?

b. What is the probability that the total number of people in the van is between 5 and 7 people?

c. What is the probability that the total number of people in the van is greater than 10 people?

- Stats -
**MathMate**, Saturday, August 4, 2012 at 1:43pmHere the distribution ~N(6,2²), i.e. mean=6, variance = 2²=4.

Standardize the given variable to Z and look up probabilities from the normal distribution table.

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