IQ is normally distributed with a mean of 100 and a standard deviation of 20. Use the Cumulative 2-Score Table to answer the questions bolow.Hint • Suppose one individual is randomly chosen. Find the probabilty that this person has an IQ greater than 158. Write your answer in percent form with two decimal places. PUQ greater than 158) - Suppose one individual is randomly chosen. Find the probability that this person has an 1Q less than 115. Write your answer in percent form with two decimal places. PIQ less than 115) – In a sample of 600 people, how many people would have an 1Q less than 1367 Round your answer to the nearest whole mumber. people

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Q: 4. On a certain standardized test, the population mean is 250 with a standard error of the mean of…

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.