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 15:30

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

Answers: 2

Mathematics, 21.06.2019 18:30

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Answers: 3

Mathematics, 22.06.2019 01:30

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.

Answers: 2

Mathematics, 22.06.2019 01:30

Talia took the bus from her home to the bank and then walked back to her home along the same route. the bus traveled at an average speed of 40 km/h and she walked at an average speed of 5 km/h. to determine the time, x, that it took talia to walk home, she used the equation 40(0.9 – x) = 5x. the time of trip 2 is hours. the distance of trip 1 is km.

Answers: 1

Please help me solve these.
Problem 1: In 2006, 86% of U. S. households had cable TV. Choose 3 hou...

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