Solve the problem.A realtor is analyzing recent sale prices…
Solve the problem.A realtor is analyzing recent sale prices of 3 bedroom homes in her area. The mean sale prices of recent sales was $320 ,000 with a standard deviation of $40,000. Assuming no information concerning the shape of the distribution is known, what percentage of homes sold between $200,000 and $440,000?
Read DetailsSolve the problem.A realtor is analyzing recent sale prices…
Solve the problem.A realtor is analyzing recent sale prices of 3 bedroom homes in her area. The mean sale prices of recent sales was $310 ,000 with a standard deviation of $20,000. Assuming no information concerning the shape of the distribution is known, what percentage of homes sold between $270,000 and $350,000?
Read DetailsSolve the problem.A study was designed to investigate the ef…
Solve the problem.A study was designed to investigate the effects of two variables — (1) a student’s level of mathematical anxiety and (2) teaching method — on a student’s achievement in a mathematics course. Students who had a low level of mathematical anxiety were taught using the traditional expository method. These students obtained a mean score of 300 with a standard deviation of 40 on a standardized test. Assuming a mound-shaped and symmetric distribution, in what range would approximately 68% of the students score?
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