2.2 Roulette wheel: The game of roulette involves spinning a wheel with 38 slots: 18 red, 18 black, and 2 green. A ball is spun onto the wheel and will eventually land in a slot, where each slot has an equal chance of capturing the ball. a) You watch a roulette wheel spin 9 consecutive times and the ball lands on a red slot each time. What is the probability that the ball will land on a red slot on the next spin? (please round to four decimal places) b) You watch a roulette wheel spin 240 consecutive times and the ball lands on a red slot each time. What is |(please round to the probability that the ball will land on a red slot on the next spin? four decimal places)

Q: A pet store has 11 puppies, including 4 poodles, 5 terriers, and 2 retrievers. If Rebecka and Aaron,…

A: No.of poodles=4 No.of terriers=5 No.of retrievers=2 Total puppies=11

Q: contains 2 red, 5 green, 6 blue, and 5 yellow marbles. If a single marble is chosen at random from…

A: So by using definition of probability we can solve given problem-

Q: In a horse​ race, a particular bet is won if you selected the three  horses that finish first,…

A: Solution: Given information: n= 15 total horses  3 horses are selected for a race.  Horses that…

Q: Suppose that you are going to throw fair dice . What is probability of getting 6

A: The sample space for throwing a fair dice is: S={1, 2, 3, 4, 5, 6}.

Q: A pair of dice is rolled. Find the probability that the sum of the two dice is 10 or higher

A: A pair of dice is rolled.

Q: An urn contains Red and Blue balls. 91 balls are red (R) and 86 balls are blue (B). Draw two balls,…

A: An urn contains Red and Blue balls. 91 balls are red (R) and 86 balls are blue (B). Sampling is with…

Q: This problem involves inspection at a widget factory. Assume that a box contains 2 defective widgets…

A: Answer:- Given that a box contains 2 defective widgets and 15 acceptable widgets.  So, Probability…

Q: A bag contains 4 white, 7 black, and 6 green balls. What is the probability that a ball drawn at…

A: A bag contains 4 white, 7 black, and 6 green balls.  There are 4+7+6 = 17 balls. Among the balls…

Q: Select one card from a deck of well-shuffled cards. What is the probability we select a face or a…

A: Given : Let A be the event of getting face card from a deck of well-shuffled cards  P(A) = 1252 Let…

Q: An urn contains Red and Blue balls. 6 balls are red (R) and 13 balls are blue (B). Draw two balls,…

A: Given An urn contains No. of Red balls=6 No. of Blue balls=13 Total no. of balls=6 red balls +13…

Q: Suppose that 85% of people are voting in the election. If you pick two people at random, what is the…

A: Obtain the probability that they both are voting in the election.   The probability that they both…

Q: A group of students is surveyed and 55% of the group is from Midland and 40% of the group like…

A: According to the provided data, the probabilities are;

Q: basket contains 7 yellow apples and 4 red apples. Margo picks two apples without looking. a. What…

A:

Q: A committee has five members. There are three members that currently serve as the board's chairman,…

A: It is given that a committee has five members. Out of which three members are randomly selected and…

Q: Suppose a family consisting of a father and a son plays a "Gambler's ruin" game for the Chinese New…

A: Let:q be the probability of the father winning a token.p be the probability of the son winning a…

Q: A bag of jellybeans has 7 red, 12 black, and 14 blue. We select a jellybean, eat it (do not replace…

A:

Q: A small bag of M and Ms contains 7 green, 4 yellow, 5 blue, and 6 brown. If we randomly select a 1st…

A:

Q: An experiment consist of rolling two fair dice and adding the dots on the two sides facing up. Find…

A: Two fair dice rolled and adding the dots on the two sides facing up.The number of possible outcomes,…

Q: ) A bridge hand is made up of 13 cards from a deck of 52. Find the probability of a hand with 6 of…

A: select 13 cards from 52 card deck.  P(six cards of one suit,4 of another suit and 3 of another suit)…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.