1) There is a normal distribution with mean = 10 and standard deviation = 1. What is the probability that a randomly drawn item is less than 8.5 or greater than 9.5? 0.6247 0.2417 0.7583 0.3413 2) The probability of a star on an old device a slide-rule is 0.4. Out of 6 slide-rules, what is the probability less than 3 have stars? 0.4557 0.8208 0.2765 0.5443 3) In a normal distribution, if the mean = 100 and the standard deviation = 6, then 50% of the items, symmetrically distributed around the mean, lie between 93.86 to 106.14 then the variance is 2.449 then 10% of the items are above 116.06 then 60% of the items are at least 98.5A. 0.6247 B. 0.2417 C. 0.7583 D. 0.3413.