According to a 2009 Reader's Digest article, people throw awayabout 9% of what they buy at the grocery store. Assume this is thetrue proportion and you plan to randomly survey 122 groceryshoppers to investigate their behavior. What is the probabilitythat the sample proportion does not exceed 0.10?
Standard Deviation of SampleProportion:
Answer format: .####
z score: Answer format: .####
Probability: Answer format: .####
Note: You should keep standard deviation ofphat #, z score and probability to 4 decimal places in yourcalculations.
Use TI 84 to get the probability.
