A medical journal reported the following frequencies of deaths due to cardiac arrest for each day of the weekCardiac Death by Day of the WeekDayfMonday40Tuesday17Wednesday16Thursday29Friday15Saturday20Sunday17We want to determine whether the number of deaths is uniform over the week (Use a = 0.05).(B) p-value is less than .05; reject Ho; the distribution is uniform(A) The test statistic is 23.27(C) The test statistic is 11.27(D) critical x ² = 14.0671; do not reject Ho; the distribution is not uniform

Answered: Image /qna-images/answer/4ddd12b7-5c60-4ef4-b539-4653bea51cca.jpg

Answered: A medical journal reported the…

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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i need the F=, and P value
#4
A pharmaceutical company makes tranquilizers. It is assumed that the distribution for the length of time they last is approximately normal. Researchers in a hospital used the drug on a random sample of 9 patients. The effective period of the tranquilizer for each patient (in hours) was as follows: 2.5; 2.9; 3.1; 2.3; 2.3; 2.2; 2.8; 2.1; and 2.4.
A researcher wanted to determine whether certain accidents were uniformly distributed over the days of the week. The data show the day of the week for n = 296 randomly selected accidents. Is there reason to believe that the accident occu with equal frequency with respect to the day of the week at the a = 0.05 level of significance? E Click the icon to view the table. Distribution of accidents Day of the Week Frequency Sunday Monday Tuesday Wednesday Thursday Friday Saturday o 39 37 31 40 39 51 59 Print Done Compute the expected counts for day of the week Day of the Week Observed Count Sunday Expected Count 39 Monday 37 Tuesday 31 Wednesday 40 Thursday 39 Friday 51 Saturday 59 (Round to two decimal places as needed.) ?) Question Viewer Enter your answer in the edit fields and then click Check Answer. Check Answer Clear All parts 3 remaining MacBook Air DD 12 80 888 F9 10 F7 FS F4 esc F2 F3 F1 & 2$ % de %3D @ # 7 8 1 3 4 Y Q W E R tab J K S D ns lock く .. .- つエ

I answered A,B AND C. I NEED HELP TO SOLVE PROBLEM NUMBER D,E AND F ONLY
A leading magazine (like Barron's) reported at one time that the average number of weeks an individual is unemployed is 30 weeks. Assume that the length of unemployment is normally distributed with population mean of 30 weeks and the population standard deviation of 7 weeks. Suppose you would like to select a random sample of 36 unemployed individuals for a follow-up study. Round the answers of following questions to 4 decimal places. a. What is the distribution of X? X - N( 30 b. What is the distribution of ? N( 30 c. What is the probability that one randomly selected individual found the next job is less than 31 weeks? 7 or or d. For 36 unemployed individuals, find the probability that the average time that they found the next job is less than 31 weeks. e. For part d), is the assumption of normal necessary? Yes No o
In a distribution with u = 80 and o = 20, a z-score of z = -1.00 corresponds to an X value of X = 70. O True O False
13.2.3
Just need #4 In 1905 R Pearl published the article “Biometrical Studies on Man. I. Variation and Correlation in Brain Weight”. According to the study, brain weights of Swedish men are normally distributed with a mean of 1.4 kg and a standard deviation of 0.11 kg. Determine the sampling distribution of the sample mean for samples of size 3. Repeat part (a) for samples of size 12. That is, for parts (a) and (b) discuss the distribution, mean and standard deviation of the sample means for the different sample sizes. Use Excel to construct graphs similar to those shown in Fig 7.4 on page 321 in the textbook. Hand in your excel output and show the data you used to construct the plots, as well as the plots Do you need to assume that brain weights of Swedish men are normally distributed to answer parts (a) and (b)? Explain your answer
please answer d, e,f
How can a value for z be determined if it is not found in normal distribution table. For example, if I want to calculate phi of 3.33 what is it going to be?

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