of the population have high school scores less than 77?
Q: A basketball player has a 60% chance of making each free throw shot. How many free throws would he…
A: Question based on probability. Probability = number of favourable outcome/.…
Q: The failure rate for taking the bar exam in Philadelphia is 41%. If 375 people take the bar exam,…
A: Given that, The failure rate for taking the bar exam in Philadelphia is 41% i.e. probability, p =…
Q: On a test, a student got 80% of the items correct. If the Student got 56 items correct, how many…
A: Let x be the items on the test given: 80% of x is 56
Q: A survey of 62 men found that 12 have a social media account. Another survey of 57 women found that…
A: Men are taken as group 1. Women are taken as group 2. Given: n1=62x1=12n2=57x2=40α=0.07
Q: A survey of 78 men found that 10 have a social media account. Another survey of 51 women found that…
A: Given Information: Women: Sample size (n1) = 51 Out of which X1 = 26 have a social media account.…
Q: What percent of students had an IQ of at least 120?
A: From the given histogram, the frequency table can be observed as shown below:
Q: The hockey team won 8 out of their first 14 games. At the Same Rate, how many games should they…
A: We can find the answer as below.
Q: About 25% of the population watches the evening television news coverage as well as the soap operas.…
A:
Q: A book sold 36,700 copies in its first month of realease.suppose the represents 7.8% of the number…
A: If you take your current # of books and divide it by the percentage, that will give you the total…
Q: An IQ score for which 15% of the population has a higher score and 85% have a lower score…
A:
Q: 00 gamers have a level greater than 25. Will Ashe buy Mistee a costume?
A: Here use normal distribution table for probability from calculated z score
Q: Which types of car were driven by more than 623 respondents in the survey?
A: Here use proportion from given pie chart And calculate no of people drive that type of car
Q: Suppose your grades on three math exams are 80, 93, and 91. What grade do you need on your next exam…
A: Given:
Q: of the time he is at bat. Out of 80 times at bat, 10 A player on a school baseball team reaches…
A: A player on a school baseball team reaches first base 7/10 of the time he is at bat.
Q: A group of preschoolers has 8 boys and 24 girls. What is the percentage of girls to all children?
A:
Q: the average ( arthimetic mean ) of three numbers is equal to 56 . if one of the numbers is 25 ,…
A:
Q: Kevin scored at the 70th percentile on a test given to 9940 students. How many students scored lower…
A: Given Kavin got 70 percentile. Total students are 9940.
Q: In a study, the rate of success of initial vaccination among 330 subjects receiving the 1:10…
A: Given: Sample size of subjects (n) = 330 Sample proportion or success rate p^=0.971 Hypothesized…
Q: Forty percent of the 25 customer who came this morning are adults and the rest are teen. How many…
A: Given: 40% of 25 customers are adults.
Q: A student took all 8 tests in the first semester and had an average score of 82. Then the teacher…
A: The average is defined as the mid-value of an assumed data set. For observations, (n-number of…
Q: A random sample of 302 Californians found that 129 support Measure A. Build a 88% Cl for the…
A: Given that Random sample size (n) = 302 Supported measure A = 129 Sample proportion (p) =…
Q: A student has scores of 72%, 74%, and 78% on three exams. What percent score does he need on the…
A: Here we solve the inequality for x . x= score for the fourth exam.
Q: The median of 45 numbers is 64. At most twenty-two of the numbers can be greater than 64. True…
A:
Q: John has grades of 86, 88, and 78 on his first three tests in geometry. If he wants an average of at…
A:
Q: Susan scored 82%, 75%, 77%, and 85% on the first four tests. What must she score on the fifth test…
A:
Q: Rene scored at the 84th percentile on a test given to a 12600 students . How many students scored…
A: Given percentile of Rene=84
Q: An article in the Archives of Internal Medicine reported that in a sample of 224 men, 73 had…
A: Here 224 men and 232 women are selected randomly. 73 of the men had elevated cholesterol levels,…
Q: A student scored between 81% and 93% on all exams except for one that she failed with a 47% because…
A: Mean & Median : The mean of the data set is calculated by adding all observations in the data…
Q: Ten out of every 32 people surveyed play among use. What percent of people surveyed play among use
A: 31.25% See the attachment
Q: On four exams,Wallace's grades were 79,93,91 and 68. what grade must he obtain on his fifth exam to…
A: Let Wallace's grade in the 5th exam be x.
Q: In a workshop 500 soccer jerseys are made. From the table calculate:
A:
Q: 35 out of 125 students are in the marching band. What percent of students are in the marching band?
A: Given: 35 out of 125 students are in the marching band.
Q: Bob scored at the 65th percentile on a test given to 9960 students. How many students scored lower…
A: x = no. of data value less than x * 100/total no. of data values
Q: In order to pass a class, you need an average of 90 on 7 exams. If your test scores were 98, 86, 90,…
A:
Q: A student missed 15 problems on a mathematics test and received a grade of 70 %. If all the problems…
A: All the problems were of equal value;student missed 15 problemes and received 70% grade.That means…
Q: What percent of students who took the test have a score greater than 1300? If 5000 students took the…
A:
Q: In a city of 45,000 homes, a survey was taken to determine the number with Wi-Fi access. Of the 500…
A: Here in a city there are 45000 homes i.e. N = 45000 500 homes are surveyed, 300 had wifi access…
Q: A school knows that 38% of its incoming students own a smart phone and a tablet. What percent of…
A: Let S be the set of students with smartphone and T be the set of students with tablet Percentage of…
Q: In a survey at a local university 52% of students say that they less than the recommended eight…
A: The problem concerns working out the percentages and interpreting .
Q: In a sample of 169 students, 16 said they have donated blood. What percent of the students have…
A: Given that, In a sample of 169 students, 16 said they have donated blood.
Q: What is the largest possible value
A:
Q: In a poll of 2300 adults in a certain country, 1426 of the adults said that they had online access…
A: In a poll of 2300 adults in a certain country, 1426 of the adults said that they had online access…
Q: Katrina must take five exams in a math class. If her scores on the first four exams are 71, 69, 85,…
A: Given that Katrina scores on the first four exams are 71, 69, 85, and 83 and suppose she scores x…
Q: A survey found that 31% of Americans watch the fireworks on the 4th of July from their TV. If 20…
A:
Q: If the mean of 5 values equals 34, then ΣΧ-
A:
Q: Rene scored at the 84th percentile on a test given to 12,600 students. How many students scored…
A: Given Rene scored at the 84th percentile a test given to 12,600 students. How many students scored…
Q: Is V18 equal to, less than, or greater than V10 + V8?
A: Is 18 equal to, less than, or greater than 10+8? The value of 18 is between 4 and 5 and is…
Q: Three-fourth of the students in the class have an average IQ of 120 and the rest have an average IQ…
A:
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