here is your answer a good question
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%
X= -7 and y= -2
Hope this helps
i know this is the correct answer
Answer:
Socratic app
Step-by-step explanation:
it will help you
Answer:
The lower right graph.
Step-by-step explanation: