Answer:
Step-by-step explanation:
We are given the following in the question:
Population mean = 200
Population standard deviation = 50
Sample size, n = 100
We have to estimate the expected value of the sample mean.
The best point estimate for the sample mean is the population mean.
Thus, we can write:
Thus, the expected value of the sample mean is 200.
Answer:
A newborn who weighs 2,500 g or less has a low birth weight. Use the information on the right to find the z-score of a 2,500 g baby.
⇒ -2
What is the z-score of a newborn who weighs 4,000 g?
⇒ 1
What weight would give a newborn a z-score of –0.75?
⇒ 3125 grams
Step-by-step explanation:
Answer:
2x10^3
Step-by-step explanation:
(5x10^-3) is .005
(4x10^5) is 400,000
Multiply together and you get 2000
move the decimal to the right 3 times and you get 2x10^3
Answer:
B. 3.375 pounds
Step-by-step explanation: because its the awnser...
The zero represents the origin