Mathematics, 15.07.2019 22:30 momo26590
Seven customers enter a clothing store and are observed to determine if they will make a purchase. the store owner states that there is a 75% chance of a customer making a purchase. the random variable x represents a customer making a purchase. calculate the mean, variance and standard deviation for the number of customers that make a purchase.
Answers: 1
Mathematics, 21.06.2019 20:30
Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?
Answers: 2
Mathematics, 21.06.2019 21:30
Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.
Answers: 2
Mathematics, 22.06.2019 00:00
Let u = {q, r, s, t, u, v, w, x, y, z} a = {q, s, u, w, y} b = {q, s, y, z} c = {v, w, x, y, z}. list the elements in the set.a ∩ (b ∪ c)a) {q, s, w, y}b) {q, y, z}c) {q, s, u, w, y, z}d) {q, r, w, y, z}
Answers: 1
Seven customers enter a clothing store and are observed to determine if they will make a purchase. t...
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