L is 75, or 125? or is it about the same for BOUI! J. A teaching assistant gives a quiz with 10 questions and no part credit. After grading the papers, the TA writes down for each student the number of ques. tions the student got right and the number wrong. The average number of right answers is 6.4 with an SD of 2.0; the average number of wrong answers is 3.6 with the same SD of 2.0. The correlation between the number of right answers and the number of wrongs is -0.50 +0.50 -1 +1 can't tell without the data Explain. Figure for exercise 12 ...

Q: 45% of what is 27?

A: Let 45% of x = 27

Q: At 4pm​, Li rented bikes from​ Pearl's Wheels. She returned the bike at 8​pm, after riding 39…

A: a. Person L rented a bike at 4 pm and returned it at 8 pm after tiding 39 miles.

Q: An employee makes $26 an hour. The employee gets paid 2.5 times his normal wage for any hours (or…

A: It is given that an employee is getting $26 for an hour. (A) In a week, if 37 hours are working…

Q: To estimate the number of bass in a lake, a biologist catches and tags 24 bass. Several weeks later,…

A: The objective is to determine the number of bass in the lake. Let the number of bass in the lake is…

Q: You purchase 20 pounds of bananas at the store. This is the As Purchased weight or AP. When you peel…

A: You purchase 20 pounds of bananas at the store, this is the purchased weight or AP. When you peel…

Q: Annette is surveying people in the city about their interest in a new shopping mall. She found that…

A: Introduction: The percentage is very significant in arithmetic. The base of the percentage…

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A: Given that John made 84 baskets out of 200 shots during the season up until tonight's basketball…

Q: Solve. What number is 16% of 70?

A:

Q: write a numerical statement to represent the problem. Then simplify the numerical expression to…

A: Given: Natasha recorded the daily gain/losses for her company stock for a…

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A:

Q: In a pie chart, 4 1/2 percent is spent on book and supplies. If the student resources are $9000.00,…

A: The total resources of the students are $9000. It is given that 4 1/2 percent is spent on book and…

Q: Ronald McDonald, a fast-food worker, earns $11.50 per hour. He typically works 36.25 hours per week.…

A:

Q: Mr. Rivero used 1294 kilowatts of electricity in July.  The cost for electricity is $0.134 per…

A: Mr. Rivero used 1294 kilowatts of electricity in July.   His total cost is $173.396.

Q: In an archery competition, Jim scored 9.8 points with his first shoot, 10.1 on the second, 8.9 on…

A: The scores of Jim are, 9.8, 10.1, 8.9 and 9.5 The total score can be obtained by adding all thw four…

Q: Carla has three test scores 84,90and 86. There is one more test during the semester.She wants to…

A:

Q: Solve. What number is 88% of 1000?

A: To Determine: solve what number is 88% of 1000. Given: we have 88% of 1000 Explanation: we have 88%…

Q: P = $8100, A = $9470.25, t = 14 months   A.6% B.29.5% C.29% D14.5%

A:

Q: Maryam scored an 8 out of 10 on her spelling test one week. The next week, her score decreased by…

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Q: marco got 15 questions wrong on his 30- questions test. what is his grade as a percent

A: Marco has total 30 questions. Wrong questions are 15.

Q: A team of students lined up dominoes on the gym floor. Of the 400 dominoes they used, 25% fell over.…

A:

Q: Harry fills up his Jeep with gasoline and notes that the odometer reading is 23,511.9 miles. The…

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Q: Twenty percent of what number is 12?

A:

Q: Margaret owns a restaurant and she was keeping track of the total dollar sales for the weekend…

A: the average daily dollar sales for the restaurant was $2,425.42 Total sale = 2,425.42 * 3 = 7276.26