A population of values has a normal distribution with
Find the probability that a sample of size n=142 is randomly selected with a mean between 27.7 and 35.3.
Write your answers as numbers accurate to 4 decimal places.
A population of values has a normal distribution with
Find the probability that a sample of size n=142 is randomly selected with a mean between 27.7 and 35.3.
Write your answers as numbers accurate to 4 decimal places.
Step 1
According to the provided information,
Therefore, the probability that a sample of size
Answer is given below (on video)
A population of values has a normal distribution with
Find the probability that a single randomly selected value is between 133.6 and 134.1.
Write your answers as numbers accurate to 4 decimal places.
We wish to estimate what percent of adult residents in a certain county are parents. Out of 600 adult residents sampled, 192 had kids. Based on this, plot a
Express your answer in the form of three inequalities. Give your answers in decimal fractions up to three places
A population of values has a normal distribution with
You intend to draw a random sample of size
Find the probability that a sample of size
Write your answers as numbers accurate to 4 decimal places.