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Florida Recidivism Rate
The three-year recidivism rate of parolees in Florida is about 30%; that is, 30% of parolees end up back in prison within three years. Assume that whether one parolee returns to prison is independent of whether any of the others returns.
a. Find the probability that exactly 6 out of 20 parolees will end up back in prison within three years,
b. Find the probability that 6 or fewer out of 20 parolees will end up back in prison within three years.
complete the following hypothesis test ho ? 52 ha ? lt 52 ? 0.01 using the data below.55 47 58 55 39
the covariance between the returns of a and b is -0.112. thenbsp istandard deviation of the rates of returns 0.26 for
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The figure shows a scatterplot with a regression line for the average teacher's pay and the percentage of students graduating from high school.
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