On a reading test, Shaylen's score of 455 was higher than the scores of 4278 of the 7274 students who took the test. Find the percentile, rounded to the nearest percent, for Shaylen's score. th percentile

In 1997, in terms of population, county A ranked 9th out of 76 counties. What was its percentile rank? (Round your answer to the nearest whole number.) th percentile

In a sample of 169 students, 16 said they have donated blood. What percent of the students have donated blood?

In 2016 the Better Business Bureau settled 84% of complaints they received in the United States. Suppose you have been hired by the Better Business Bureau to investigate the complaints they received this year involving new car dealers. You plan to select a sample of new car dealer complaints to estimate the proportion of complaints the Better Business Bureau is able to settle. Assume the population proportion of complaints settled for new car dealers is 0.84, the same as the overall proportion of complaints settled in 2016. Use the z-table. a. Suppose you select a sample of 200 complaints involving new car dealers. Show the sampling distribution of p. E(p) (to 2 decimals) (to 4 decimals) b. Based upon a sample of 200 complaints, what is the probability that the sample proportion will be within 0.04 of the population proportion (to 4 decimals)? probability : = c. Suppose you select a sample of 460 complaints involving new car dealers. Show the sampling distribution of p. E(F) (to 2…

A parent comes to you and asks the difference between percent correct and the national percentile rank on an achievement test. What do you tell the parent?

For letter B please plug in the number 6

Paul scored 22/25 on his test.  Katy's test had an 85% as the grade.  What is the difference in their percent grades?

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?

In 2016 the Better Business Bureau settled 82% of complaints they received in the United States. Suppose you have been hired by the Better Business Bureau to investigate the complaints they received this year involving new car dealers. You plan to select a sample of new car dealer complaints to estimate the proportion of complaints the Better Business Bureau is able to settle. Assume the population proportion of complaints settled for new car dealers is 0.82, the same as the overall proportion of complaints settled in 2016. Use the z-table. a. Suppose you select a sample of 200 complaints involving new car dealers. Show the sampling distribution of p. E(p) = (to 2 decimals) 0 = (to 4 decimals) b. Based upon a sample of 200 complaints, what is the probability that the sample proportion will be within 0.06 of the population proportion (to 4 decimals)? probability = c. Suppose you select a sample of 440 complaints involving new car dealers. Show the sampling distribution of p. E(p) = (to…

The number of hours per week that the television is turned on is determined for each family in a sample. The mean of the data is 3535 hours and the median is 31.231.2 hours. Twenty-four of the families in the sample turned on the television for 2020 hours or less for the week. The 12th percentile of the data is 2020 hours. Step 1 of 5 :   Based on the given information, determine if the following statement is true or false. The 57th percentile is greater than or equal to 3030 hours.   True or False?