Tracy's first four test grades are 85, 89, 87 and 96. What is the lowest grade Tracy can get on the next test so that the average of the five test grades will be 90?

Q: In a math class, one of your 4 test scores is dropped. On the first three tests, you have the…

A: In a math class, one of your 4 test scores is dropped.  On the first three tests, you have the…

Q: Class Interval 144-149 138-143 132-137 126-131 102 - 125 114-119 108-113 102-107 96-101 90-95 84-89…

A: Joanna scored 117 out of 150 Joanna score 117 is coming under the interval between the score class…

Q: Ray scored 75 marks for his first math test. His math score increased by 20% on his second math…

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Q: In a math class, you have 4 tests. On the first three tests, you have the following scores: 90, 90,…

A: Given Total no. of tests, n=4 Scores on the 1st 3 tests were 90, 90 and 90 Average, x¯=90

Q: Anne's scores in the last four tests were 85,82,97 and 91. What must be her score in the fifth and…

A: Average is the arithmetic mean of a non-empty list of numbers. It is a single representative of that…

Q: In a math class, one of your 4 test scores is dropped. On the first three tests, you have the…

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Q: In a math class, one of your 4 test scores is dropped. On the first three tests, you have the…

A: first three test scores : 70.39.95 drop 4th score  to average 75 , what must be next test score?

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: John's math course requires 5 tests. His first 4 grades were 72, 89, 91, and 93. To end up with an…

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Q: ass, one of your 4 test scores is dropped. On the first three tests, you have the following scores:…

A: The formula for the mean of a sample is, The sample size (n) is 4. The sample mean is x is 75.…

Q: John has grades of 86, 88, and 78 on his first three tests in geometry. If he wants an average of at…

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Q: Mark got 88, 85, 81 and 78 in his four quizzes. What average score must he get in his next two…

A: Mark scored :- 88,85,81,78,x,x Total number of quizes=6

Q: Find the average if you got 100 on a test worth 20% of the course grade, 90 on a test worth 30% of…

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Q: Bobby-Joe takes a 25-question test for which he receives 4 points for each correct answer and loses…

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Q: On three examinations, Elena received scores of 82, 91, and 76. What score does Elena need on the…

A: let Elena needs score X for her average score 85 we know that the average value formula average…

Q: Scott has grades of 86, 75, 79, and 95. If all of the grades count the same, what is the lowest…

A: Avarage value of five exams

Q: A student needs a 90 average to receive an A in his math class. On the first 4 tests he scored 75,…

A: we have to find grade..

Q: In a math class, one of your 4 test scores is dropped. On the first three tests, you have the…

A: Given data  One of 4 test scores is dropped  First three scores are : 78,35,95 Let 4thscore = x…

Q: mika's test scores in her biology class are 78,93,62 and 87,what is the average of her test scores

A: Mika's test scores in her biology class are 78,93,62 and 87.

Q: A student in Basic Engineering Math course has test scores of 64 and 78. What score on the third…

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Q: the first 3 quizzes of his algebra class. William got an average of 84. what does he need on the…

A: The mean formula is, Mean = Sum of all observations/ Total observations, Given: Mean (M) = 84 Total…

Q: Samuel scored a 72, 92 and 80 on his first three exams. What is the minimum score he needs to get on…

A: Given that Samuel scored 72, 92 nd 80 in first three exams. We need to find the score Samuel need to…

Q: In a math class, one of your 4 test scores is dropped. On the first three tests, you have the…

A: From the provided information, On the first three tests, the scores are 79, 37 and 95. The average…

Q: John's math course requires 5 tests. His first 4 grades were 76, 60, 94, and 61. To end up with an…

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