A population has a mean of 53 and a standard deviation of 21. A sample of 81 observations will be taken. Theprobability that the sample mean will be greater than 57.95 is.45050.017None of the alternative answers is correct..0495

Continuous Probability Distribution When normality is included in the research of a big sample…

Answered: A population has a mean of 53 and a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A successful basketball player has a height of 6 feet 6 inches, or 198 cm. Based on statistics from a data set, his height converts to the z score of 3.38. How many standard deviations is his height above the mean? The player's height is _____standard deviation(s) above the mean. (Round to two decimal places as needed.)
Neil scored 67 on his calculus class final and was devastated by his failing grade. His class distribution had a mean of 54 and a standard deviation of 7. Greg was quite proud of his score of 88 for his Spanish language class. His class distribution had a mean of 97 with a standard deviation of 6. a. Which student did better relative to their class?
A student graduated from a 4 -year college with an outstanding loan of $9563 where the average debt is $8558 with a standard deviation of $1860 . Another student graduated from a university with an outstanding loan of $12,370 where the average of the outstanding loans was $10,318 with a standard deviation of $2144 Find the corresponding z score for each student. Round z scores to two decimal places. College student: =z University student: =z
Use a normal distribution table or a statistical calculator to answer this question. A farm produces 10,000 eggs in a day. The mean mass of an egg is 59 grams. The standard deviation is 5 grams. An egg is "extra-large" if it has a mass between 63 and 69 grams. To the nearest ten eggs, how many extra-large eggs does the farm produce in a day?
On a nationwide math test, the mean was 58 and the standard deviation was 4. If Roberto scored 70, what was his z-score? Use the formula Z where is the mean, o is σ the standard deviation, and x is Roberto's score. Round to 4 decimal places. X н =
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The body temperatures of adults are normally distributed with a mean of 98.6° F and a standard deviation of 0.27° F. What temperature represents the 95th percentile? Click to view page 1 of the table. Click to view page 2 of the table. OA. 99.04° F OB. 98.95° F OC. 98.16° F O D. 99.13° F C
The average driver spends $54 at the gas station each week with a standard deviation of $8. Assuming that the amount a driver spends on gas follows a normal distribution, solve for the percentage of drivers who spend: 1. More than $40? 2. Less than $30? 3. Between $30 and $40
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A population has a mean of 53 and a standard deviation of 21. A sample of 81 observations will be taken. The probability that the sample mean will be greater than 57.95 is .4505 0.017 None of the alternative answers is correct. .0495