Question
A local county has an unemployment rate of7.3%.A random sample of19employable people are picked at random from the county and are asked if they are
A local county has an unemployment rate of 7.3%. A random sample of 19 employable people are picked at random from the county and are asked if they are employed. Round answers to 4 decimal places.
a) Find the probability that exactly 5 in the sample are unemployed.
b) Find the probability that there are fewer than 3 in the sample are unemployed.
c) Find the probability that there are more than 1 in the sample are unemployed.
d) Find the probability that there are at most 3 in the sample are unemployed.
Step by Step Solution
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To solve these probability problems we can use the binomial distribution formula The binomial distribution is applicable when we have a fixed number of independent trials each with the same probabilit...
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Introduction To Statistical Investigations
Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy
2nd Edition
1119683459, 978-1119683452
