If the highest 8% of students in the final exam were rewarded. The mean for this exam was 120 & the variance was 289. What was the lowest mark that has been rewarded for? minimum mark- ? Select one: 143.8 143.97 NONE

The mean of 14 numbers in a data set is 43. A new number is included in the data set. It changes the mean to 44. What is the new number? Record the result below accurate to two decimal places.

Here are the fuel efficiencies (in mpg) of 15 new cars. 49, 35, 17, 21, 27, 23, 45, 50, 39, 51, 41, 47, 25, 14, 29 What is the percentage of these cars with a fuel efficiency less than 40 mpg?

The total blood cholesterol level was measured for each of 21 adults. Here are the 21 measurements (in mg/dL). 131, 139, 152, 161, 163, 165, 176, 181, 185, 185, 185, 189, 193, 194, 195, 206, 210, 213, 214, 233, 249 Send data to calculator Send data to Excel Frequency 10+ 6. 8. 6- 4 4 4. 2- 0--/- 200 225 250 150 Cholesterol level (in mg/dL) 125 175 2. 寸 2.

A group of 500 students take a survey about distance learning.  150 prefer distance learning.  What is the proportion of students that prefer distance learning.

Here are some of the Final Exam scores from last semester's class: 81, 77, 90, 93, 99, 88, 85, 70, 79, 91, 94, 87. Find the mean. Round your answer to 3 decimal places.

Suppose a sample of 830830 Americans over 4141 is drawn. Of these people, 673673 don't smoke. Using the data, estimate the proportion of Americans over 4141 who smoke. Enter your answer as a fraction or a decimal number rounded to three decimal places.

350 students took a standardized test, Sarah’s score was ranked at the 7th. What was the percentile rank of Sarah’s score?

When the Standard Score = -2, what is the percentile of the raw Score? 2nd O 14th 16th 34th 84th

The national profession exam for registered nurses, the NCLEX, has pass a rate of 85% for the first time exam takers. If 260 first time RN candidates were to take the exam, What is the mean for the number of people who pass?