Homework Answers
Solution
Given that
P ( X 
3 ) = P ( X = 3 ) +P ( X = 4 ) +
P ( X = 5 )
=0.264 +0.396 +0.237
= 0.897
P ( X 3 ) = 0.897
Option 0.897 is correct.
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Please show working.
The number of homes sold by a realtor during a month has the following probability distribution Number Sold 0 Probability 020 0.40 0.40 2 What is the expected number of homes sold by the realtor during a month? O 1.2 O 15 O 2
A sociologist randomly selects single adults for different groups of three, and the random variable x is the number in the group who say that the most fun way to flirt is in person. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied. X P(x) 0 | 0.086 1 0.337 2 0.421 30.156 Does the table...
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