The IQs of individuals form a normal distribution with mean = 100 and s = 15. A. What percentage of the population have IQs below 85?   B. What percentage have IQs over 130?   C. A college requires an IQ of 120 or more for entrance. From what percentage of the population must it draw its students?   D. In a state with 400,000 high school seniors, how many meet the IQ requirement?

Identify the level of measurement of the data, and explain what is wrong with the given calculation. In a survey, the political parties of respondents are identified as 1 for a Democrat, 2 for a Republican, 3 for a Libertarian, and 4 for anything else. The average (mean) is calculated for 744 respondents and the result is 1.5. The data are at the interval level of measurement. What is wrong with the given calculation? O A. The true average (mean) is 2.1. O B. Such data are not counts or measures of anything, so the average (mean) needs to be computed in a different way. O C. Such data are not counts or measures of anything, so it makes no sense to compute their average (mean). O D. There is nothing wrong with the given calculation.

On a survey, people are classified with the following variable: 0: identify as male 1: identify as female 2: identify as non-binary 3: other How would you classify this variable?   a. Qualitative and discrete   b. Qualitative and ratio   c. Quantitative and discrete   d. Quantitative and interval   e. None of these

A survey of 100 fatal accidents showed that 26 were alcohol related. Find a point estimate for p, the population proportion of accidents that were alcohol related. O A. 0.351 ОВ. 0.74 O C. 0.206 O D. 0.26