On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 111 and a standard deviation of 15. Suppose one individual is randomly chosen. Let x = 10 of an individual. a. What is the distribution of X? b. Find the probability that a randomly selected person's over 125.Round your answer to 4 decimal places. C. A school offers special services for all children in the bottom 5% for scores. What is the highest score a child can have and still receive special services? Round your answer to 2 decimal places
On a planet far far away from Earth, IQ of the ruling species is
Normal distribution is the continuous probability distribution with parameter mean and variance . The shape of the normal distribution is a bell-shaped curve. The total area under that curve is one.
If the normal distribution with mean=1, and S.D=0 then it is the Standard normal distribution.
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