3. Suppose eight coins are tossed simultaneously. If the random variable X denotes thenumber of heads, find the probability of getting:a) at least six heads,b) exactly six heads, andc) at most six heads. 4. 20 wrist watches in a box of 100 are defective. If 10 watches are selected at random,find the probability that:a) 10 are defective,b) at least one watch is defective, andc) at most 3 are defective.

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Answered: 3. Suppose eight coins are tossed…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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5B. John packs four t shirts for a trip to the beach. If he owns nine t shirts, four of which are black, and he randomly picks which four to pack, what is the probability that he packs the four black ones?
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I. A card/s is/are taken from a deck of 52 cards that has been thoroughly shuffled. Find the probability of: A. "4' of hearts B. a king or a red card C. a non-face card D. an ace and a queen E. neither a spade nor a jack
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On a single draw from a deck of 52 playing cards, what is the probability of getting: Multiple choices will be in this order: a. A spade b. a spade or a diamond c. An 8 or a red card d. Jack or a red card
67% of LaGuardia students are female. A random sample of 6 students is to be selected. Let the random variable X be the number of female students in a sample. a. What is the probability that out of 6 randomly selected students at most 2 are male? b. Find the average number of female students per sample if a large number of random samples of 20 students were selected.
65% of all students at a college still need to take another math class. If 4 students are randomly selected, find the probability that a. Exactly 2 of them need to take another math class. b. At most 2 of them need to take another math class. c. At least 2 of them need to take another math class. d. Between 2 and 3 (including 2 and 3) of them need to take another math class.
64% of all students at a college still need to take another math class. If 4 students are randomly selected, find the probability thata. Exactly 2 of them need to take another math class. b. At most 2 of them need to take another math class. c. At least 2 of them need to take another math class. d. Between 2 and 3 (including 2 and 3) of them need to take another math class.

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3. Suppose eight coins are tossed simultaneously. If the random variable X denotes the number of heads, find the probability of getting: a) at least six heads, b) exactly six heads, and c) at most six heads.