SOLUTION: Assume the random variable x is normally distributed with mean μ=81 and standard deviation σ=5. Find the indicated probability.
​P(x<72​)
​P(x<72
Algebra.Com
Question 1044001: Assume the random variable x is normally distributed with mean μ=81 and standard deviation σ=5. Find the indicated probability.
P(x<72)
P(x<72)equals=? Round to four decimal places as needed
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
P(x<72):
z=(X-mean)/sd
z=(72-81)/5
=-9/5
=-1.8
Probability z<-1.8=0.0359
RELATED QUESTIONS
Assume the random variable x is normally distributed with mean μ=81 and standard... (answered by Boreal)
Assume the random variable X is normally distributed with mean μ equals=50 and... (answered by Fombitz)
Assume the random variable x is normally distributed with mean 81 and standard deviation... (answered by stanbon)
Assume the random variable X is normally distributed with mean muequals50 and standard... (answered by Boreal)
Assume the random variable X is normally distributed with mean 50 and standard deviation... (answered by Boreal)
Assume the random variable x is normally distributed with mean 85 and standard deviation... (answered by Boreal)
Assume the random variable x is normally distributed with mean μ=90 and standard... (answered by Boreal)
Assume that the random variable X is normally distributed, with mean and standard... (answered by ewatrrr)
X is a normally normally distributed variable with mean μ = 30 and standard... (answered by Fombitz)