A variable X is normally distributed with unknown mean and standard deviation. If P(X>8.5)=0.005 and P(X<-7.5)=0.025 find the mean and the standard deviation
A variable X is normally distributed with unknown mean and standard deviation. If P(X>8.5)=0.005 and P(X<-7.5)=0.025...
X is a normally distributed variable with mean p = 30 and standard deviation o = 4. Find P(x < 40)
Assume the random variable x is normally distributed with mean p = 90 and standard deviation o = 4. Find the indicated probability P(77<x<82) P(77<x<82)=) (Round to four decimal places as needed.)
X is a normally distributed variable with mean μ = 30 and standard deviation σ = 4. Find P(x < 40)?
X is a normally distributed random variable with a mean of 7.0 and a standard deviation of 3.00. Find the value x such that P(X < x) is equal to 0.86. (Note: the diagram is not necessarily to scale.) 10.24 11.63 7.00 8.14
Assume the random variable x is normally distributed with mean p= 85 and standard deviation o=5. Find the indicated probability. P(x<79) P(x < 79) =(Round to four decimal places as needed.)
Assume the random variable x is normally distributed with mean y = 50 and standard deviation o=7. Find the indicated probability P(x > 40) P(x >40) - (Round to four decimal places as needed.) Assume the random variable x is normally distributed with mean = 88 and standard deviation o = 4. Find the indicated probability P(76<x<85) P(76<x<85)= (Round to four decimal places as needed.) Assume a member is selected at random from the population represented by the graph. Find...
SELF ASSESSMENT 1 X is a normally distributed random variable with mean 57 and standard deviation 6. Find the probability indicated P(X <59.5) а. P(X < 46.2) b. P(X> 52.2 С. d. P(X> 70) X is a normally distributed random variable with mean 500 and standard deviation 25 Find the probability indicated. а. Р(X < 400) b. P(466 < X <625) Р(X > С. Р(Х > 400)
A random variable X is normally distributed with a mean of 2 and a standard deviation of 1.4. Calculate the point c such that P ( X ≥ c ) = 0.5.
1. X is a normally distributed variable with mean μ = 30 and standard deviation σ = 4. Draw a graph and Find: a) P(x < 40) b) P(x > 21) c) P(30 < x < 35)
Assume the random variable x is normally distributed with mean u50 and standard deviation a= 7. Find the indicated probability P(x> 40) P(x > 40)= (Round to four decimal places as needed.)