A population of values has a normal distribution with
Find the probability that a single randomly selected value is less than 186.1.
Write your answers as numbers accurate to 4 decimal places.
A population of values has a normal distribution with
Find the probability that a single randomly selected value is less than 186.1.
Write your answers as numbers accurate to 4 decimal places.
Step 1
Given:
The Z-score follows standard normal distribution.
Step 2
The probability that a single randomly selected value is less than 186.1 is 0.4247.
Answer is given below (on video)
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
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.
Consider two continuous random variables X and Y with joint density function
Five people have a genetic disease and one child each. The random variable x is the number of children among the five who inherit the disease.
a)Find the mean.
b)Find the standard deviation.