Let X be the number of workouts a person does in a week. Suppose that X has the following probabilitydistribution:3edC#$SB4CA. What is the expected number of workouts a personStandard deviation =rExpected valueB. What is the standard deviation of the number of workouts a personfVYou can use the tool below to help you compute standard deviation.%5tcab6X 0Pp| 0.09Ollyhhop&7n1230.14 0.43 | 0.25Oudoes perRound to 2 decimal places, as needed.does per week?jRound to 2 decimal places, as needed.* 00week?840.093k(9O<altOрctrl[?+ 11=1<backs1

Let X be the number of workouts a person does in a week. 4

Answered: et X be the number of workouts a person…

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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Ch 8 FRQ ( The distribution of average speeds of the top 53 drivers in NASCAR is roughly symmetric, unimodal, and bell-shaped, with a mean of 184.8 mph and a standard deviation of 7.2 mph. In the space above, draw a Normal Curve, from z=-3 to z=+3. Draw vertical lines at the mean and each whole number standard deviation above and below the mean. Write two rows of numbers under the base line; one row with the number of standard deviations above and below the mean (z-scores), and a row under that with the actual values for this problem. ] What percent of drivers would you expect to have speeds below 199.2 mph ? Show all work. s] What is the area under the curve to the left of a speed of 170.4mph Show all work. What is the probability that a driver selected at random will have a speed below 172.0 mph ? Show all work. B] What percent of drivers would you expect to have a speed above 177.0 mph ? Show all work. How many drivers would you expect to have speeds between 170.4 mph and 177.0 mph…
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Claim: The standard deviation of pulse rates of adult males is more than 12 bpm. For a random sample of 172 adult males, the pulse rates have a standard deviation of 11.5 bpm. Find the value of the test statistic?
↑ N S Bags of Halloween candy are sold in 12 ounce packages. The company claims the standard deviation of the weight of the packages is 0.4 ounces. a. What is the expected mean weight of random samples of 10 packages? Mean -= 12 ounces Mean type your answer... b. What's the variation in that mean weight? Find SD (2). Standard Deviation type your answer..... Previous #m 3 X e d C S4 $ C r f % 5 V ounces t 9 A 6 ounces DELL Oll b y h & 7 O c U 11 *00 8 O m i k 61 ( 9 V O alt O A Р ctrl 11 { ? Nex 4 +
Calcium levels in people are normally distributed with a mean of 9.7 mgdL and a standard deviation of 0.5 mgdL . Individuals with calcium levels in the bottom 10% of the population are considered to have low calcium levels. Find the calcium level that is the borderline between low calcium levels and those not considered low. Carry your intermediate computations to at least four decimal places. Round your answer to one decimal place.
Q34
Calcium levels in people are normally distributed with a mean of 9.3 mg and a standard deviation of 0.5 mg Individuals with calcium levels in the bottom dL TP 15% of the population are considered to have low calcium levels. Find the calcium level that is the borderline between low calcium levels and those not considered low. Carry your intermediate computations to at least four decimal places. Round your answer to one decimal place. mg dL Continue acer esc & 24 % 8. @ 6 3 4 r
The weights of a certain dog breed are approximately normally distributed with a mean of u = 53 pounds, and a standard deviation of o = 5 pounds. A dog of this breed weighs 47 pounds. What is the dog's z-score? Round your answer to the nearest hundredth as needed. A dog has a z-score of -0.46. What is the dog's weight? Round your answer to the nearest tenth as needed. pounds A dog has a z-score of 0.46. What is the dog's weight? Round your answer to the nearest tenth as needed. pounds
How do you do part c?
Find probability pregnancy lasted 308 days or longer Round to three place
Claim: The mean pulse rate (in beats per minute) of adult males is equal to 69 bpm. For a random sample of 171 adult males, the mean pulse rate is 70.3 bpm and the standard deviation is 11.4 bpm. Find the value of the test statistic.
Claim: The standard deviation of pulse rates of adult males is less than 12 bpm. For a random sample of 153 adult males, the pulse rates have a standard deviation of 11.7 bpm. Find the value of the test statistic.

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