Answer:
The answer is below
Step-by-step explanation:
Given that mean (μ) = 266 days, standard deviation (σ) = 16 days, sample size (n) = 16 women.
a) The mean of the sampling distribution of Xbar () is given as:
The standard deviation of the sampling distribution of Xbar () is given as:
b) The z score is a measure in statistics used to determine by how much the raw score is above or below the mean. It is given by:
For x > 270 days:
The probability the average pregnancy length exceed 270 days = P(x > 270) = P(z > 1) = 1 - P(z < 1) = 1 - 0.8413 = 0.1587 = 15.87%
<u> Her real salary has fallen and her nominal </u><u>salary </u><u>has risen. option</u><u> (d)</u><u> is correct .</u>
What is called wage?
- A wage is money that is paid by an employer to an employee in exchange for work.
- The amount may be fixed for each task completed (this is called piece rate); or it may be based on time or other measurable quantity of work done.
- Work for wages is the most common form of work.
Her real salary has fallen and her nominal salary has risen.
<u>Reason -</u> She can generate lesser goods so her real wage decreases and $200 leads to increase in nominal salary .
So, option (d) is correct .
Learn more about wage
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<u>The complete question is -</u>
An associate professor of physics gets a $200 a month raise. With her new monthly salary she can buy more goods and services than she could buy last year. a. Her real and nominal salary have risen. b. Her real and nominal salary have fallen. c. Her real salary has risen and her nominal salary has fallen. d. Her real salary has fallen and her nominal salary has risen.
Answer:
21.897 to the nearest hundredth is 2.19
Answer:
a) 64
b) 9
c) 1
d) 49
Step-by-step explanation:
8^2 = 64
same as 8*8
1^2 = 1
same as 1*1
3^2 = 9
same as 3*3
7^2 = 49
same as 7*7
Here’s the answer because I can’t do the arrow thing on phone