Probability
A recent survey found that 83% of Canadian were satisfied with their current jobs. Answer the following questions based on a random sample of 10 Canadian workers:
a. What is the probability that exactly six employees were satisfied with their current jobs?
b. What is the probability that exactly nine employees were satisfied with their current jobs?
c. What is the probability that either four or five employees were satisfied with their current jobs?
d. What are the mean and standard deviation for this distribution?
Homework Answers
From the given information,
p=0.83
n=10
Hence,
By using Binomial probability calculator,
The required correct answers are,
a. P(X=6)= 0.0573
b. P(X=9)= 0.3178
c. P(X=4 or 5)= 0.0165
d. Mean= 8.3
Standard deviation= 1.1879
Thank you.
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