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Assume the random variable X is normaliy distributed with mean [I = 5|] and standard deviation o = 7. Compute the prohabiiity. Be sure to draw a normal curve with the area corresponding to the probability shaded. P54524568} Which of the foilowing normai curves corresponds to P(54 S X s 68}? ...j::- A. rig" B. -::' - c, Q (1 EE 93" .3.- e: :3 5054 68 54154 65 5054 58 P[54 S X5 68} = [Round to four decimal places as needed.) \fThe mean incubation time of fertilized eggs is 19 days. Suppose the incubation times are approximately normally distributed with a standard deviation of 1 day. [a] Determine the 15th percentile for incubation times. [b] Determine the incubation times that make up the middie 39% of fertilized eggs