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kotegsom [21]
3 years ago
15

A shareholders' group, in lodging a protest, claimed that the mean tenure for a chief executive office (CEO) was at least eight

years. A survey of companies reported in the Wall Street Journal found a sample mean tenure x = 7.56 of years for CEOs with a standard deviation of years s = 6.67 years.
A. Formulate hypotheses that can be used to challenge the validity of the claim made by the shareholders' group.
B. Assume 70 companies were included in the sample. What is the p-value for your hypothesis test?
C. At α = 0.02, what is your conclusion?
Mathematics
1 answer:
viva [34]3 years ago
5 0

Answer:

could be c might be a also

Step-by-step explanation:

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please help:) thank youuuyy
Lana71 [14]

9514 1404 393

Answer:

  • x = 8
  • BF = 45

Step-by-step explanation:

Using the given information, we have ...

  BH = 2·HF

  3x +6 = 2(2x -1)

  3x +6 = 4x -2

  8 = x

__

The length of the median is ...

  BF = BH + HF

  BF = (3x +6) +(2x -1) = 5x +5

  BF = 5·8 +5

  BF = 45

6 0
3 years ago
Write the equation of the line that is perpendicular to the line 3x + y = 7 and passes through the point (6, -1).
ira [324]
Line:
3x+y=7
y=-3x+7

Slope of Perpendicular Line: 1/3x

For the perpendicular line to contain point (6,-1) the y-intercept would be (0,1), thus the equation of the line would be y=1/3x+1

y=1/3x+1

5 0
3 years ago
Which number is not equivalent to others? 0.5 1/5 5/25 20%
CaHeK987 [17]

Answer: .5

Step-by-step explanation:

1/5 = 20%

5/25=20%

.5= 50%

Hope this helps!

6 0
3 years ago
3e + 7 - e and 2e + 10 + 2e -3
ch4aika [34]

Answer:

The sum is

6e  + 14

Step-by-step explanation:

Assuming we are finding the sum of :

3e + 7 - e and 2e + 10 + 2e -3

Then we set up the addition as follows:

3e + 7 - e + 2e + 10 + 2e - 3

We group similar try to get:

3e  - e + 2e +  2e - 3 + 7 + 10

We now combine the similar terms to obtain:

6e  + 14

Therefore the sum is

6e  + 14

5 0
3 years ago
Three consecutive integers have a sum of 30. Which equation can be used to find x, the value of the smallest of the three number
mars1129 [50]

Answer:

The smallest value of the three numbers would be 9.

Step-by-step explanation:

In order to find this, set the smallest number as x. Then you can set each of the next integers as x + 1 and x + 2. Now we can total all three numbers and set equal to 30 to solve for x.

x + x + 1 + x + 2 = 30

3x + 3 = 30

3x = 27

x = 9

7 0
3 years ago
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