On a measure of running speed on a 100 meter dash,students received timed scores ranging from 12seconds to 24 seconds. The distribution of runningtimes is normative with a mean of 16 seconds.Transferring this ratio data to standard scores forcomparison with the results of classes from otherdepartments, the mean score is assigned a standardscore of 100 with a standard deviation of 10. From thisexample, a standard score of 99 would mean the actualvalue in seconds for an individual would be about a. 16b. 12 c. 19 d. 24

The mean score is assigned a standard score of 100, standard deviation is 10. The mean is 16…

Answered: On a measure of running speed on a 100…

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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ASK YOUR TEACHER Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout. Suppose a friend tells you that the average length of trout caught in Pyramid Lake is ? = 19 inches. However, a survey reported that of a random sample of 46 fish caught, the mean length was x = 18.4 inches, with estimated standard deviation s = 3.3 inches. Do these data indicate that the average length of a trout caught in Pyramid Lake is less than ? = 19 inches? Use ? = 0.05. (A) What is the value of the sample test statistic? (Round your answer to three decimal places.) (B) Estimate the P-value. a) P-value > 0.0010 b) 0.500 < P-value < 0.0010 c) 0.125 < P-value < 0.500 d)0.100 < P-value < 0.125 e) P-value < 0.100
A successful basket ball player has a height of 6 feet 4 inches. Based on statistics his height converts to the z score 2.66. How many standard deviations in his height above the mean
Suppose that the amount of caffeine (in milligrams) in an 16 fluid ounce energy drink can be modeled by the Normal Distribution with a mean of 250 mg and a standard deviation of 70 mg. What is the caffeine content of the 70th percentile of energy drinks? Interpret this value. The 70th percentile is 287 mg. This means that 70% of energy drinks will have caffeine less than or equal to 287 mg. The 70th percentile is 287 mg. This means that 70% of energy drinks will have caffeine greater than or equal to 287 mg. The 70th percentile is 213 mg. This means that 70% of energy drinks will have caffeine greater than or equal to 213 mg. The 70th percentile is 213 mg. This means that 70% of energy drinks will have caffeine less than or equal to 213 mg.
Please answer below: A college admissions office needs to compare scores of students who take the SAT vs ACT. The applicants that take the SAT have a mean of 896 and a standard deviation of 174. Those that take the ACT have a mean of 20.6 and a standard deviation of 5.2. 1- If an applicant Bobby scored 1080 on the SAT, how many points above the SAT mean did he score? 2- If applicant Kathy scored 28 on the ACT, how many points above the ACT mean did she score? 3- Which student scored better on his or her admission test scores?
The heights of 18 year old men are normally distributed with a mean of 67 inches and a standard deviation of 3 inches. What range of heights represent approximately 68% of 18 year old men
Consider the following data: - 4 - 3 - 1 P(X = x) 0.2 0.1 0.2 0.1 0.4 Step 4 of 5: Find the value of P(X > -2). Round your answer to one decimal place.
The amount of Jen's monthly phone bill is Normally distributed with a mean of $ 76 and a standard deviation of $ 11.What percentage of her phone bills are less than $ 80?
Suppose that the mean weight for men 18 to 24 years old is 170 pounds, and the standard deviation is 20 pounds. In each part, find the value of the standardized score (z-score) for the given weight. USE SALT (a) 206 pounds. Z = (b) 140 pounds. Z = (c) 173 pounds. Z = (d) 236 pounds. Z =
You are provided with a mean of 28.18 with a standard deviation of 4.33. What percent of students had a score between the mean and 26.25?
There are two major tests of readiness for college, the ACT and the SAT. ACT scores are reported on a scale from 1 to 36. The distribution of ACT scores is approximately Normal, with mean of 21.2 and standard deviation of 5.2, SAT scores are reported on a scale from 400 to 1600. The distribution of SAT scores is approximately Normal, with mean of 1,159 and standard deviation of 205. What ACT scores make up the top 10% of all the scores? Round to the nearest whole number. 80 888 #3 $ & 3 4. 7 E Y U F G H J K DI
The Acme Company manufactures widgets. The distribution of widget weights is bell shaped. The widget have a mean of 40 ounces and a standard deviation of 10 ounces. What percentage of the widget weights lie between 20 and 70 ounces?
Suppose the exam average in a class is 55% with a standard deviation of 4. What proportion of students scored above 57%? Round to two places.

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