4. A bag contains five red marbles, two orange marbles, one yellow marble, and two green marbles. Two marbles are drawn from the
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Answer:
Step-by-step explanation:
Given that:
mean μ = 70
sample size = 25
sample mean = 73
standard deviation = 7
level of significance = 0.10
The null hypothesis and the alternative hypothesis can be computed as follows:
The z score for this statistics can be calculated by using the formula:
z = 2.143
At level of significance of 0.10
degree of freedom = n -1
degree of freedom = 25 - 1
degree of freedom = 24
The p - value from the z score at level of significance of 0.10 and degree of freedom of 24 is:
P - value = 1 - (Z < 2.143)
P - value = 1 - 0.9839
P - value = 0.0161
Decision Rule: since P value is lesser than the level of significance, we reject the null hypothesis.
Conclusion: We conclude that energy drink consumption increases heart rate.
Consider all employees.
A.
- gross pay $32,600 - 100%,
- total job benefits $33,600 - x%.
Then
Employee A receives 3.07% of gross pay in employee benefits.
B.
- gross pay $32,900 - 100%,
- total job benefits $34,000 - x%.
Then
Employee B receives 3.34% of gross pay in employee benefits.
C.
- gross pay $33,400 - 100%,
- total job benefits $33,900 - x%.
Then
Employee C receives 1.50% of gross pay in employee benefits.
D.
- gross pay $33,700 - 100%,
- total job benefits $34,700 - x%.
Then
Employee D receives 2.97% of gross pay in employee benefits.
Answer: correct choice is B.