Given : n=56
Since , the population standard deviation is unknown
Therefore , use the t-distribution
; From excel "=TINV(0.1,55)"
Quiz: Quiz 7 Submit Quiz This Question: 13 of 20 This Quiz: 45 Assume that we...
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 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...
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 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...
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...
Hello, please help me understand what to look for so that I use
the right method on the TI 83 and the steps for TI 83.
Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critic value/2. (b) find the critical value Zu/2. or (c) state that neither the normal distribution nor the t distribution applies 40- 30 The confidence level is 99%, σ is not known, and the histogram...
7.2.1-1 Question Help 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 2/2, or (c) state that neither the normal distribution northet distribution applies The confidence level is 99%, G = 3902 thousand dollars, and the histogram of 63 player salaries in thousands of dollars) of football players on a team is as shown Frequency 0 40008000 12000 16000 20000 Salary (thousands...
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 tu/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=254, = 31.7 hg, s= 6.3 hg. The confidence level is 90%. Select the correct choice below and, if necessary, fill in the answer box to complete your...