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Section 7.4 20a Q: working two jobs: The Bureau of Labor statistics reported in a recent year that 5% of employed adults in the U.S. held multiple jobs A random sample of is adults I A: No it is notappropriate to use normal approximation to calculate the probability that less than 4.5% of the individuals in the sample hold multiple jobs Since, Ap = 75 x 0. 04) = 41.875 2 10 n q - n( 1-p ) = 75 X (1- 0.045) = 75 X 01 935 = 76, 1257 10 From the normality conditions Ap is not satisfied using normal approximation