Mathematics, 14.01.2022 18:30, liah9465
Please help me solve these.
Problem 1: In 2006, 86% of U. S. households had cable TV. Choose 3 households at random. Find the probability that
a) None of the 3 households had cable TV
b) All 3 households had cable TV
c) At least 1 out of 3 households had cable TV
Problem 2: A coin is tossed 3 times. Find the probability of getting at least 1 tail.
Problem 3: A coin is tossed 5 times. Find the probability of getting at least 1 tail.
Problem 4: A medication is 75% effective against a bacterial infection. Find the probability that if 12 people take the medication, at least 1 person's infection will not improve.
Problem 5: Urn 1 contains 5 red balls and 3 black balls. Urn 2 contains 3 red balls and 1 black ball. Urn 3 contains 4 red balls and 2 black balls. If an urn is selected at random and a ball is drawn, find the probability it will read.
Answers: 3
Mathematics, 21.06.2019 19:00, ktenz
Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.
Answers: 3
Mathematics, 21.06.2019 21:00, edandjill24
Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.
Answers: 1
Mathematics, 22.06.2019 00:00, xojade
Maci and i are making a small kite. two sides are 10". two sides are 5". the shorter diagonal is 6". round all your answers to the nearest tenth. 1. what is the distance from the peak of the kite to the intersection of the diagonals? 2. what is the distance from intersection of the diagonals to the top of the tail? 3. what is the length of the longer diagonal?
Answers: 3
Please help me solve these.
Problem 1: In 2006, 86% of U. S. households had cable TV. Choose 3 hou...
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