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Mathematics, 24.12.2019 17:31 alexanderickh1

Let x denote the iq for an individual selected at random from a certain population. the value of x must be a whole number. suppose that the distribution of x can be approximated by a normal distribution with mean value 95 and standard deviation 15. approximate the probabilities below. (round all answers to four decimal places.)

(a) p(x = 95) =

incorrect: your answer is incorrect.

(b) p(x ? 105) =

(c) p(x < 105) = (hint: x < 105 is the same as x ? 104.)

(d) p(75 ? x ? 115) =

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