- 240 People Are Asked How Many Siblings They Have Of Siblings Frequency Relative Frequency Cumulative Frequency 0 38 1 1 (54.9 KiB) Viewed 101 times
In the state of Oklahoma, there are 298 eight year olds diagnosed with ASD out of 18,917 eight year olds evaluated. In the state of Michigan, there are 44 eight year olds diagnosed with ASD out of 2,082 eight year olds evaluated. Estimate the difference in proportion of children diagnosed with ASD between Oklahoma and Michigan. Use a 95% confidence level. Round to four decimal places. With % confidence, it can be concluded that the difference in proportion of children and diagnosed with ASD between Oklahoma and Michigan (P₁-P2) is between
We wish to estimate what proportion of adult residents in a certain county are parents. Out of 300 adult residents sampled, 285 had kids. Based on this, construct a 97% confidence interval for the proportion p of adult residents who are parents in this county. Express your answer in tri-inequality form. Give your answers as decimals, to three places. < p < Express the same answer using the point estimate and margin of error. Give your answers as decimals, to three places. P = ±