In a class of 80 students, Heather has a rank of 16. At what percentile is she? Heather has a percentile rank of. (Round to the nearest integer as needed.)

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A: The probability that z-score is greater than 1.41 is calculated as follows: PZ>1.41=1-PZ≤1.41…

Q: For a population with μ = 60 , X=51, and σ = 12. Find the z-score for 51.

A: Answer - Given, for a population with μ = 60 , X=51, and σ = 12. Find the z-score for 51.

Q: For a population with a standard de 12, a score of X = 44 correspo What is the population mean? %3D

A:

Q: If P(E) = 0.842, what is the value of P(E)?

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Q: Whose paint has a greater ratio of red to yellow?

A: comparing ratios red to yellow

Q: A population with a mean of µ= 8 has EX=40. How many scores are in the population

A:

Q: The 78th percentile i (Round to two decimal places as needed.)

A: Here use normal distribution table for finding z score

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Q: е. Find her percentile scores for the two exams. (use R-code)

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Q: A sample with M=8 has EX=56. How many scores are in the sample?

A:

Q: In a class of 50 students, Heather has a rank of 14. At what percentile is she? Heather has a…

A: According to the provided information, B = 14 N = 50

Q: d. What percentage of students scored at least 66? e. How many students scored more than 98 on the…

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: raph of the e table Using VE of 45.

A: We need to sketch of the graph of  r=sin 3θ Where θ are multipliers of 45°.

Q: Kevin scored at the 60th percentile on a test given to 9920 students. How many students scored lower…

A:

Q: Kevin scored at the 60th percentile on a test given to 9780 students. How many students scored lower…

A: Given that the percentile of Kevin is 60.This means 60% of the students will have score lower than…

Q: for a population with a µ = 60 and σ = 12 Find the z-score for an x value of 75

A: The mean is 60 and the standard deviation is 12.

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A: It is given that For accounting, score = 116, mean = 102, SD = 14 For biology, score = 82, mean =…

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Q: F E 6.

A: Given a parallelogram CDEF.

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Q: given: mean= 68.73 s.d. 9.03 find what percentage of the scores fall above 50?

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Q: Use the following scores to find the value of Ex= 3 4 2. 2.

A: Given: x 3 2 4 2

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Q: Roxanne ranks 10th in a class of 40. Her percentile rank is

A:

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Q: Angela took a general aptitude test and scored in the 83rd percentile for aptitude in accounting.…

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Q: If there were 500 students in Jamal’s class, approximately how many students scored higher than…

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Q: The trunk diameter, in centimeters, of a certain variety of pine tree is represented by X~N(150,…

A: We have to find out the z-score for a tree with a diameter of 170 centimeter..

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Q: d) What percentage of women are TALLER than 5 feet 11 inches? Round to nearest tenth of a percent.…

A: formula for z-score is

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Q: On a reading test, Amelia’s score of 455 was higher than the scores of 4256 of the 7210 students who…

A: Number of data values less than 465= 4256 Total number of data values= 7210 Percentile=?

Q: On this assignment, round all answers (when necessary) to exactly three decimal places. The numbers…

A: Solution

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Q: Using the diagram above, what is the measure of KPN?

A: We have to use the relationship of angles and geometry.

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.