Mathematics, 06.07.2019 07:10 yeimi12
Ashareholders' group, in lodging a protest, claimed that the mean tenure for a chief executive officer (ceo) was at least nine years. a survey of companies reported in the wall street journal found a sample mean tenure of x = 7.07 years for ceos with a standard deviation of s = 6.38 years. (a) choose the correct hypotheses that can be used to challenge the validity of the claim made by the shareholders' group. h0: μ years ha: μ years (b) assume that 85 companies were included in the sample. what is the p value for your hypothesis test? if required, round your answer to four decimal places. (c) at α = 0.01, what is your conclusion? we the null hypothesis. we conclude that the mean tenure for a ceo is shorter than nine years.
Answers: 2
Mathematics, 21.06.2019 15:30
The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y
Answers: 1
Mathematics, 22.06.2019 01:30
This graph shows a portion of an odd function. use the graph to complete the table of values. x f(x) −2 −3 −4 −6
Answers: 3
Ashareholders' group, in lodging a protest, claimed that the mean tenure for a chief executive offic...
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