Mathematics, 09.09.2020 22:01 VamLS7472
One-Tailed and Two-Tailed Tests LEARNING OBJECTIVE: Determine a left-tailed, right-tailed, or two-tailed test from a given null and alternative hypothesis. David hypothesize that the average age of the population of Wyoming is less than 45 years. David records a sample mean equal to 42 and states the hypothesis as = 45 vs < 45. Select the best description for this type of test.
a.) Two-tailed test
b.) Left-tailed test
c.) Upper-tailed test
d.) Right-tailed test
Answers: 2
Mathematics, 21.06.2019 15:40
Which of the following represents the zeros of f(x) = 6x3 − 31x2 + 4x + 5? −5, one third , one half 5, − one third , one half 5, one third , − one half 5, one third , one half
Answers: 1
Mathematics, 21.06.2019 18:00
Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.
Answers: 1
Mathematics, 21.06.2019 21:00
Tessa bought stock in a restaurant for $253.00. her stock is now worth $333.96. what is the percentage increase of the value of tessa's stock? a.) 81% b.) 32% c.) 24% d.) 76%
Answers: 1
One-Tailed and Two-Tailed Tests LEARNING OBJECTIVE: Determine a left-tailed, right-tailed, or two-ta...
Chemistry, 24.04.2020 05:56
Mathematics, 24.04.2020 05:56
Mathematics, 24.04.2020 05:56
History, 24.04.2020 05:56
Mathematics, 24.04.2020 05:56
Mathematics, 24.04.2020 05:56
Geography, 24.04.2020 05:56
History, 24.04.2020 05:56
English, 24.04.2020 05:56
Mathematics, 24.04.2020 05:56
History, 24.04.2020 05:56