What proportion of students studied more than 4 hours?

Q: Last year at Townsburg High School, 28% of the graduating seniors took the ACT exam, 34% of the…

A: It is given that the proportion of the graduating seniors took the ACT exam is 0.28, the proportion…

Q: What proportion of cars are driving between 75 and 85 miles per hour?

A: We have given that

Q: What percent of the respondents have at least one sibling ? 59% of all respondents have fewer then…

A: Given that  # of siblings  0 1 2 3 4 5 Frequency  9 13 13 8 8 9

Q: What percent (to the nearest whole number) of the total seniors that will attend a 2-year college…

A:

Q: What scale of measurement is being used when a teacher measures the number of correct answers on a…

A:

Q: in a survey 7 out of 8 people liked cooking over washing dishes what percent liked cooking more

A: As per question, we need to find how much percentage liked cooking more. So, we need to find both…

Q: The following box-plot contains the cholesterol levels of 100 patients. 154 180 211 265 197.5 + 225…

A: Given Min=154 Q1=180 Q2=197.5 Q3=211 Max=265

Q: What percentage of the shoppers have an email account

A: In the question it is asked to calculate the percentage of shoppers that have an email account.

Q: This frequency histogram present the final grades of a random samp of 100 college students. 18- 15-…

A:

Q: Approximately how many of the families in the survey have less than four children? O 130 O 140 260…

A: Given graph is

Q: What percent of women fall between 64 inches and 77 inches?

A: The objective of this question is to find out the percentage of women who fall between 64 inches and…

Q: A pharmaceutical company conducts a study where 50 patients are given a drug. They find that 10…

A: Sample is the subset of the population.

Q: If the average time for a fifth grader to run a mile is 8.50 minutes (s = 1.25), what percentage of…

A:

Q: In a survey of 1150 adult males, 805 said they use the Internet. In a survey of 1050 females, 746…

A: There are two dependent variables which are males and females. The independent variable is using of…

Q: The contingency table below shows the results of a survey of video viewing habits by age. Video…

A: As per our guidelines we are suppose answerthree sub parts.Required probability is P(viewer is aged…

Q: if 20% of vehicles are blue and 1/3 of blue vehicles are trucks what fraction of blue vehicles are…

A: 20% of vehicles are blue Convert 20% into fraction.

Q: the average (mean) score on an exam was 76.52 in a class consisting of 14 supply chain students and…

A: Answer:- Given, A class consisting of 14 supply chain students and 11 HR students.  That is, Total…

Q: 72-72.99 class has the What highest frequency percentage (%) of students got a final grade higher…

A:

Q: 20% of the 35 students in Mr. Box’s class enjoy eating broccoli. How many students like broccoli?

A: 20% of the 35 students in Mr. Box’s class enjoy eating broccoli.

Q: MATHEMATICAL

A: Given, Sample  Mathematical Skills (x) x2 1 43 1849 2 37 1369 3 44 1936 4 30 900 5 32…

Q: Student Exercise Habits Eldridge School has 150 students. A sample of 8 students were surveyed about…

A: Formula for Average,      Average=Sum of the all numbersCount of the numbers=x1+x2+...+xnn

Q: A man is 80% sure how much he loves 5 females (player, player J) but he wants to make sure he’s 99%…

A: A man is 80% sure how much he loves 5 females (player, player J) but he wants to make sure he’s 99%…

Q: The Traveling Penguins love fun and adventure but sometimes they can go too far. For example, last…

A:

Q: Nygel answer 11 out of 12 test questions correctly. What percent of his test questions did he answer…

A:

Q: What percentage of the blocks are red?

A:

Q: The percentage of people who have white blood cell counts over 10,500 is

A: To determine the percentage of people who have white blood cell counts over 10,500, we need to know…

Q: Look at the candies shown. brown blue brown m m blue brown brown What percent of the candies are…

A: The total number of candies is 6The number of brown candies is 4To find the percentage of brown…

Q: The number of virus cells increases by 37% each day. What is the common​ ratio?

A: Please see the below answer.

Q: 923 is what percentage of 1816 ? work the problem

A: This question can be solved using the concept of percentage.

Q: A student completed an exam and their z score was -1.57. What percentage of students did better on…

A: We know that Z-score = (x - mu)/sigma  mu= 0 , sigma =1   X~N( 0,1)

Q: Part (c) 3 Part (b) What percent of students take exactly two courses? X % لیا What percent of…

A: It is given thatThe total of students = 50The number of students who take 3 courses are= 50 - 15 - 5…

Q: uppose the proportion of all college students who have used marijuana in the past 6 months is p =…

A:

Q: To predict blood alcohol content of a student who drank 5 beers will be about?

A: Correlation coefficient measure degree of linear relationship between two variables

Q: A private opinion poll is conducted for a politician to determine what proportion of the population…

A: Obtain the sample is needed in order to be 95% confident that the sample proportion will not differ…

Q: Ch Last year's freshman class at Big State University totaled 5,320 students. Of those, 1,262…

A: Given That, Mean=3450 Standard Deviation=480

Q: What proportion of the general population has an IQ of 70 or less?

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

Q: 1.) I want to estimate the proportion of adults who like sci-fi movies. How many people should I…

A:

Q: Find the point estimate for the population proportion.             A Southern student wants to know…

A: It is given that the sample size (n) is 888 and the number of people spoke 2 or more languages is…

Q: A recent survey reports that 22% of students take the bus to campus. If 660 students commute to…

A:

Q: Part 2 of 2 (b) The bottom 2.5% of students must go to summer school. What is the minimum score you…

A: It is given that  Mean = 395 Standard deviation = 96 Z-Score, Z = ( X - μ )/σ