40-Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find thecritical value tx/2. (b) find the critical value Zα/2, or (c) state that neither the normal distribution nor the tdistribution applies.30-20-The confidence level is 99%, o is not known, and the histogram of 57 player salaries (in thousands ofdollars) of football players on a team is as shown.10-Select the correct choice below and, if necessary, fill in the answer box to complete your choice.O A. ta/2=(Round to two decimal places as needed.)O B.Za/2=(Round to two decimal places as needed.)O C. Neither the normal distribution nor the t distribution applies.Frequency4000 8000 12000 16000 20000Salary (thousands of dollars)Q

The number of player salaries (n) is 57.

Answered: Assume that we want to construct 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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25
Tina catches a 14-pound bass. She does not know the population mean or standard deviation. So she takes a sample of five friends and they say the last bass they caught was 9, 12, 13, 10, and 10 pounds. Find the t and calculate a 95% (α = .05) confidence interval.
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t/2, (b) find the critical value z 12, 0r (c) state that neither the normal distribution 40- nor the t distribution applies. 30- The confidence level is 99%, o is not known, and the histogram of 57 player salaries (in thousands of dollars) of football players on a team is as shown. 20- 10- 4000 8000 12000 16000 20000 Salary (thousands of dollars) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. ta/2 = (Round to two decimal places as needed.) O B. Za/2 = (Round to two decimal places as needed.) C. Neither the normal distribution nor the t distribution applies. kɔuənbəj-
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t,/2, (b) find the critical value z/2, or (c) state that neither the normal 40- distribution nor the t distribution applies. 30- The confidence level is 95%, o is not known, and the histogram of 58 player salaries (in thousands of dollars) of football players on a team is as shown. 20- 10- 0- 4000 Salary (thousands of dollars) 8000 12000 16000 20000 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. ta/2 = %3D (Round to two decimal places as needed.) В. Za/2 =| (Round to two decimal places as needed.) O C. Neither the normal distribution nor the t distribution applies. Frequency
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t/2. (b) find the critical value za/2. or (c) state that neither the normal distribution nor the t distribution applies. Here are summary statistics for randomly selected weights of newborn girls: n = 248, x = 30.2 hg, s= 6.9 hg. The confidence level is 99%. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. ta/2 (Round to two decimal places as needed.) OB. Za/2 = (Round to two decimal places as needed.) O C. Neither the normal distribution nor the t distribution applies.
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t/2. (b) find the critical value z/2, or (c) state that neither the normal distribution nor the t distribution applies. 30- The confidence level 99%, a is not known, and the histogram of 54 player salaries (in thousands of dollars) of football players on a team is as shown. 20- 10- 0- O 4000 8000 12000 1600 20000 Salary (thousands of dollars) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A t4/2= (Round to two decimal places as needed.) Za12= (Round to two decimal places as needed.) OB. OC. Neither the normal distribution nor the t distribution applies.
e19
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value tα/2, (b) find the critical value zα/2, or (c) state that neither the normal distribution nor the t distribution applies. The confidence level is 90%, σ=3559 thousand dollars, and the histogram of 54 player salaries (in thousands of dollars) of football players on a team is as shown. 040008000120001600020000010203040Salary (thousands of dollars)Frequency A histogram has a horizontal axis labeled "Salary (thousands of dollars)" from below 0 to above 20000 in increments of 2000 and a vertical axis labeled "Frequency" from 0 to 40 in increments of 10. The histogram contains vertical bars of width 2000, where one vertical bar is centered over each of the horizontal axis tick marks. The heights of the vertical bars are as follows, where the salary is listed first and the height is listed second: 0, 32; 2000,…
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value tα/2, (b) find the critical value zα/2, or (c) state that neither the normal distribution nor the t distribution applies. The confidence level is 95%, σ is not known, and the histogram of 55 player salaries (in thousands of dollars) of football players on a team is as shown.
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value tα/2, (b) find the critical value zα/2, or (c) state that neither the normal distribution nor the t distribution applies. The confidence level is 95%, σ=3473 thousand dollars, and the histogram of 56 player salaries (in thousands of dollars) of football players on a team is as shown. 040008000120001600020000010203040Salary (thousands of dollars)Frequency Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. tα/2= (Round to two decimal places as needed.) B. zα/2= (Round to two decimal places as needed.) C. Neither the normal distribution nor the t distribution applies.
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t,/2, (b) find the critical value z,12, or (c) state that neither the normal distribution nor the t distribution applies. 40- The confidence level is 95%, o is not known, and the histogram of 58 player salaries (in thousands of dollars) of football players on a team is as shown. 30- 20- 10- 4000 8000 1200 1600 20000 Salary (thousands of dollars) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. ta/2= (Round to two decimal places as needed.) OB. Za/2 = (Round to two decimal places as needed.) O C. Neither the normal distribution nor the t distribution applies. houanbo
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t,/2, (b) find the critical value z, 12, or (c) state that neither the normal distribution nor the t distribution applies. Here are summary statistics for randomly selected weights of newborn girls: n = 152, x = 31.1 hg, s= 6.2 hg. The confidence level is 95%. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. ta/2= (Round to two decimal places as needed.) В. Za12 (Round to two decimal places as needed.) C. Neither the normal distribution nor the t distribution applies.

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