The random variable X is normally distributed with μ = 72.3 and σ = 8.75. What value of X will be exceeded 12% of the time? (This is the 88th percentile of X.) Round your answer to one place of decimal
The random variable X is normally distributed with μ = 72.3 and σ = 8.75. What...
Assume the random variable X is normally distributed, with mean μ-41 and standard deviation σ 7. Find the 15th percentile. The 15th percentile is (Round to two decimal places as needed.)
Assume the random variable X is normally distributed with mean μ= 50 and standard deviation σ=7. Find the 80th percentile.The 80th percentile is _______ (Round to two decimal places as needed.)
Assume the random variable X is normally distributed with mean μ=50 and standard deviation σ=7. Find the 96th percentile. The 96th percentile is _______
Assume the random variable X is normally distributed with mean μ=50 and standard deviation σ=77. Find the 89th percentile.
Assume the random variable X is normally distributed, with mean μ=46 and standard deviation σ=66. Find the 10th percentile
Assume the random variable X is normally distributed with mean μ= 50 and standard deviation σ 7. Find the 87th percentile. The 87th percentlie is Round to two decimal places as needed.) The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips (a) What is the probability that a randomly selected bag contains between 1100 and 1400 chocolate chips, inclusive? (b) What...
Assume the random variable X is normally distributed with mean μ=50 and σ=7. Compute the probability. Be sure to draw a normal curve with the area corresponding to the probability shaded. (35<X<57) (35<X<57)=__?__ (Round to four decimal places as needed.)
Assume the random variable x is normally distributed with mean μ=82 and standard deviation σ=44. Find the indicated probability. P(x<79 ) P(xl<79 )=______ (Round to four decimal places as needed.)
A random variable is normally distributed with a mean of μ = 50 and a standard deviation of σ = 5. What is the probability that the random variable will assume a value that is less than 40? Make sure your answer is between 0 and 1, round to four digits.
Assume that the random variable X is normally distributed, with mean μ = 110 and standard deviation σ = 5. Compute the probability P(X > 114). Round to four decimal places.