Mensa is an organization whose membership is limited to people whose IQ is in the top 2% of the population. Assume that scores on an IQ test are normally distributed with mean 100 and standard deviation 15. What is the minimum test score needed to qualify for membership in Mensa? a. Choose the calculator function that would best apply to this problem (circle or highlight). i) Normalcdf ii) invNorm b. Which described scenario best applies to this problem (circle or highlight). i) Regular normal distribution problem ii) Normal distribution using the Central Limit Theorem for Means iii) Normal distribution using the Central Limit Theorem for Proportions c. Write down the entire calculator function that would input into your calculator to solve the problem. (DO NOT COMPUTE)

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.