The following two-way table represents the results of scores from an exam worth 100 points. Nonmath majors Math majors <50 4 5 50-59 2 1 (a) How many nonmath majors took the exam? 34 nonmath majors (b) How many students scored less than 50 points? 9 students 60-69 6 1 70-79 15 2 80-89 2 12 90-100 5 2 (c) What percent of students taking the exam scored in the 70s? (Round your answer to the nearest percent.) % (d) What percent of students taking the test were math majors? (Round your answer to the nearest percent.) %

Q: You take a sample of the heights (in inches) of 12 professional basketball players. The data are:…

A: Given data: 79, 76, 77, 79, 81, 83, 79, 76, 78, 83, 87, 85.

Q: The scores on a mathematics quiz out of 100 are shown. {63,71,40,99,52,94,83,67,94,89,14,76,68}.By…

A: Mean=Sum of all observationsNumber of observations=91013=70

Q: There were 150 students that were asked about their favorite animal.  23 students chose hamsters, 48…

A: Total students = 150 No. of students who chose hamsters as their favorite animal = 23 No. of…

Q: Calculate the range of the following scores.  Although the book shows two ways of calculating range,…

A: Calculate range of                                      The scores:   87, 75, 94, 58, 59, 92, 88,…

Q: The number of students taking the Scholastic Aptitude Test (SAT) has risen to an all-time high of…

A: The number of times the SAT was taken and the number of students are as follows.     Number of…

Q: Leon has just gone grocery shopping. The mean cost for each item in his bag was $3.62. He bought a…

A: It is an important part of statistics. It is widely used.

Q: 36% of the children in a school have a dog, 24% have a cat, and 12% have a dog and a cat. What…

A: The percent of those who have a cat also have a dog is, PDog|Cat=PDog ∩…

Q: 1. Determine the missing values (a) - (d) by using the appropriate Art of Stat app.

A: Failure  Success  Total Behavioral Therapy a b 145 Combine Treatment 42 102 144 Medication…

Q: What is the variance and standard deviation for the number of times the SAT is taken?

A: We want to variance and standard deviation

Q: scores

A:

Q: What is the probability that a student takes the SAT more than one time? Q-2  Refer to the data…

A: From given table, Total = 721769+601325+166736+22299+6730 = 1,518,859

Q: Complete the​ two-way table summarizing the reviews

A:

Q: Joey took a survey of his classmates' food preferences and recorded them in the table below.…

A: Relative frequency

Q: A recent year was randomly picked from 1985 to the present. In that year, there were 2,052 Hispanic…

A: Public university:Sample size Number of Hispanic students Community college:Sample size Number of…

Q: The average of 7 consecutive even integers is 20. What is the median

A:

Q: What is the average? 3 4 5 8   2   4   5   10

A:

Q: Lionel has just gone grocery shopping. The mean cost for each item in his bag was $3.19. He bought a…

A: Given info: The mean cost for each item in his bag was $3.19.

Q: The comparison line graph indicates the rainfall for the last six months of two different 2013 years…

A: The given comparison line graph indicates the rainfall for the last six months of two different…

Q: (b) Complete the columns of the chart. (Enter exact numbers as integers, fractions, # of movies…

A: It is given that The Twenty-five randomly selected students were asked the number of movies they…

Q: The following are the scores of students in their statistics quiz, find the simple mean, median and…

A: Since you have asked to solve multiples problem, according to the Q&amp;A guidelines we are supposed…

Q: Joselyn hopes to receive a grade of B or better in her statistics class. Currently she has scored…

A: Mean= sum of total obervation/ total no. Of observation