. Determine if the girls' average score in an exam is higher than 600. The standard deviation ofgirls' score is 100. Let a value to be 0.05. The mean score and the population mean is 641 and600 respectively. The following are the girls' collected sample score.650640730510670480780800690530590650620710670490700600510800

Answered: Image /qna-images/answer/6c8b69c1-1443-4a61-aef1-de07f227830b.jpg

Answered: . Determine if the girls' average score…

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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Approximate x to three significant figures.
The time it takes an employee to package the components of a certain product is normally distributed with ? = 7.5 and ? = 1.5 minutes. As an incentive, management has decided to give a bonus to the 25% of employees who took the shortest amount of time to package the components. Find the amount of time taken to package the components that will indicate that an employee should get a bonus. (Round your answer to two decimal places.) An employee must package components in a time minutes.
5. The average cost of mini protein bars is between $30 and $60. What is the range of the number of mini protein bars that can be manufactured using this average cost?
5.2 i know that the answer is not -310 or 310
In a tasting experiment, individuals were asked to score between 1-10 for the taste of the product. The arithmetic mean of the results was found to be 7.8, ∑ ni mi = 390. Accordingly, how many people has this experiment been applied to?
2. For a  = 30, and  = 8, find the z-score for each of the followingscores:A. X = 32 B. X = 26 C. X = 42
Suppose the mean of Y is 99. What does the mean of X become if you multiply X by 1.37? (Use two decimal places, ex: 12.34)
5.) 35 students were enrolled on the first day of a English class. By mid-semester, there were only 20 students left. What was the percentage decrease in enrolled students from the first day of class to the mid semester? Round your answer to one decimal place.
The pass result of fifty students who took up a class test is given below: Marks Number of Students 4 8 5 10 9. 7 4 9. 3 If the average marks for all the fifty students were 5.16, find out the average marks of ti students who failed.
#gn. Don't provide handwriting solution
Number of Students 30 25 2 15 10 5 0 S 10 1 15 3 20 SAMSUNG 2.5 24 3 30 Grade 28 35 SUBMIT QUESTION 19 40 25 45 SAVE PROGRESS 50 55 SU
A researcher thinks that watching violent televisions increases aggressive behavior in children. To test this hypothesis, she randomly assigns 48 children into one of 3 groups (no violent TV, a little violent TV, or a lot of violent TV) and observes their playground behavior for three weeks and measures it for violence and intensity. For the variable “amount of TV” (as it appears in this problem), what is the scale of measurement? a. nominal b. ordinal c. interval d. ratio A researcher thinks that watching violent televisions increases aggressive behavior in children. To test this hypothesis, she randomly assigns 48 children into one of 3 groups (no violent TV, a little violent TV, or a lot of violent TV) and observes their playground behavior for three weeks and measures it for violence and intensity. If the researcher’s hypothesis is correct, which of the following conclusions could be drawn? a. Fail to reject the null, watching violent TV does not increase…

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