B)
At 99% confidence level the z is ,
= 1 - 99% = 1 - 0.99 = 0.01
/ 2 = 0.01 / 2 = 0.005
Z/2 = Z 0.005 = 2.58
7.2.1-1 Question Help Assume that we want to construct a confidence interval. Do one of the...
Assume that we want to construct a confidence interval Do one of the following, as appropriate: (a) find the critical value 1/2. (b) find the critical value 2/2, or (c) state that neither the normal distribution northet distribution applies The confidence level is 90%, is not known, and the histogram of 62 player salaries in thousands of dollars) of football players on a team is as shown Frequency Ó 4000 8000 12000 16000 20000 Salary(thousands of dollars) Select the correct...
40 G Assume that we want to construct a confidence interval. Do one of the following, as appropriate (a) find the critical value f/2, (b) find the critical value 2/2, or (c) state that neither the normal distribution nor the t distribution applies. The confidence level is 99%, o = 3906 thousand dollars, and the histogram of 54 player salaries (in thousands of dollars) of football players on a team is as shown. 30- Frequency 20- 10- 0- 0 4000...
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 thet distribution applies. 30- The confidence level is 90%, o= 3695 thousand dollars, and the histogram of 60 player salaries (in thousands of dollars) of football players on a team is as shown. 20- 10- 0- 4000 8000 12000 1600 20000 Salary (thousands...
7.2.6-T Question Help 40 Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value a/2. (b) find the critical value 2a/2, or (c) state that neither the normal distribution nor the t distribution applies. The confidence level is 90%, o is not known, and the histogram of 57 player salaries in thousands of dollars) of football players on a team is as shown. 30- Robo 20- 10- 0 0...
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value 1/2. (b) find the critical value Za/2, or (c) state that neither the normal distribution nor the distribution applies. The confidence level is 95%, o is not known, and the histogram of 53 player salaries (in thousands of dollars) of football players on a team is as shown. 30 Frequency 20 10 o- 0 4000 8000 12000 16000 20000...
1. 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=3999 thousand dollars, and the histogram of 66 player salaries (in thousands of dollars) of football players on a team is as shown. 0 4000 8000 12000 16000 20000 0 10 20 30...
Assume that we want to construct a confidence interval. Do one of the following, as appropriate. (a) find the critical value /2. (b) find the critical value zq/2. or (c) state that neither the normal distribution nor the t distribution applies 4 The confidence level is 99%, σ is not known, and the histogram of 61 player salaries (in thousands of dollars) of football players on a team is as shown. 20 10 4000 6000 12600 1660 20000 Salary (thousands...
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=3848 thousand dollars, and the histogram of 57 player salaries (in thousands of dollars) of football players on a team is as shown.Select the correct choice below and, if necessary, fill in the answer...
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=3347 thousand dollars, and the histogram of 56 player salaries (in thousands of dollars) of football players on a team is as shown.Select the correct choice below and, if necessary, fill in the answer box to...
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 61 player salaries (in thousands of dollars) of football players on a team is as shown.Select the correct choice below and, if...