Q1 The success rate of the Math Fun middle school enrichment
Last updated: 3/17/2023
Q1 The success rate of the Math Fun middle school enrichment program is estimated to be 85 Success is defined as an increase in a child s mathematics achievement score of at least 80 from the beginning to the end of the program A simple random sample of 100 middle school children is selected from a population of 100 203 middle school children What is the probability that the success rate for the sample is between 0 83 and 0 88 A Check the R N I conditions Random normalr Independent B Write the probability statement in terms of p hat Convert to Z scores and write the probability statement in terms of Z Draw the related picture of the Normal Distribution using the Z scores P 83 X 88 83 185 0 0357 It says it is a Sample It is a simple random normally distributed to students It s independent by NEION 100 10 1 00 0 02 0 0357 x EXC X 88 85 0 0357 x P 1 P P 0 5602x 0 8403 C Find the answer and interpret the answer in context 83 85 Carm 100 0 03 0 0357 SD 0 035707 0 035 FOOT C 85 1 85 85 1 N 88 85 D 67