Suppose a jar contains 8 red marbles and 31 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same time, find the probability that both are red. 8. Submit Question

Q: The probability that a face card is   ​selected, given that a queen is   selected is

A: Note that queen is a face card itself. So if a queen is selected then we obviously get a face card.…

Q: A committee of 3 people is to be randomly selected from a group of 8 people, including Sarah.…

A: To Determine: The probability that Sarah is selected to be on the three-person committee.

Q: suppose you toss a coin 100 times and get 95 heads and five tails. what is the estimated probability…

A: Solution

Q: If one student is chosen at random, Find the probability that the student was female AND got a "C".

A: Consider the given table. The number of females = 40 The number of females who received C = 9 Total…

Q: In a system with a single server, the probability that the server busy is 90%. What is the…

A: Given : P(server busy ) = 0.90 P(server not busy) = 1 - 0.90                              = 0.10

Q: Suppose a jar contains 19 red marbles and 10 blue marbles. If you reach in the jar and pull out 2…

A: Given that : A jar contains  Red marbles = 19 Blue marbles = 10  Total marbles = 29   By using the…

Q: Suppose that about 85% of graduating students attend their graduation. A group of 21 graduating…

A: Let the R.V X denotes the number of graduating students attend their graduation and it follows the…

Q: A box contains 5 red marbles, 6 white marbles, and 8 blue marbles. If a marble randomly selected…

A: Given that Red marble = 5 White marble = 6 Blue marble = 8 Total marble = 6 + 5 + 8  = 19

Q: A standard die is rolled three times. What is the probability of rolling a number greater than 5 on…

A: We have to find correct answer..

Q: A coin is tossed 5 times. What is the probability that a) at most 2 heads will occur? b) At least 2…

A: Given,A coin is tossed 5 times so,sample size (n)=5P=P(getting a head )=12=0.5X=no.of heads will…

Q: If you flip a coin four times, what is the probability of getting at least a head and at least a…

A: Given that, Coin flip four times.

Q: In Rolling Acres Housing Plan, 42% of the houses have a deck and a garage; 60% have a deck. Find the…

A: From the given information, the percentage of houses have a deck and a garage is 42% and the…

Q: If one student is chosen at random, Find the probability that the student was male AND got a "C".

A: The given table shows the grades and gender of the group of students.

Q: A card is drawn at random from a regular playing card deck of 52 cards. Find the probability that a…

A:

Q: A bag contains 2 red marbles and 5 white marbles. What is the probability of drawing two red marbles…

A: What is the probability of drawing two red marbles at random if the first marble drawn is not…

Q: A jar contains 3 white, 4 orange, 5 yellow, and 8 black marbles. If a marble is drawn at random,…

A: Total number of events = Total number of balls = 3 + 4 + 5 + 8 =20 Number of favorable events =…

Q: at a university with 200 students, 32 play soccer, 18 play basketball and 8 play both sports. if a…

A: Given that 32 students play soccer, 18 students play basketball There are total (32+18) = 50…

Q: Assume that 9 questions are answered by guessing. What is the probability of at least 7 correct…

A: Probability of getting a question correct = 1/2 Given, total number of trials = n= 9 X= number of…

Q: Find the probability.   If two cards are drawn without replacement from a​ deck, find the…

A:

Q: The average number of field mice per acre in a 5-acre wheat field is estimated to be 8. Find the…

A: Given The average number of field mice per acre in a 5-acre wheat field is estimated to be 8. Find…

Q: According to a survey,in any large audience you will hear about 11 coughs per minute. A)find the…

A:

Q: One card is selected at random from a deck of cards. Determine the probability that the card…

A: Given a card is drawn randomly from a deck .

Q: Suppose that 68% of people own dogs. If you pick two people at random, what is the probability that…

A: According to the provided information, 68% of people own dogs.

Q: Suppose a jar contains 13 red marbles and 33 blue marbles. If you reach in the jar and pull out 2…

A: A bag contains 13 red, 33 blue marbles. 2 marbles are drawn at random, what is the probability that…

Q: An urn incudes 13 balls: 2 red, 4 white and 7 green balls. The probability of selecting 6 balls…

A: We can select 1 red ball in 2C1=2 ways We can select 2 white balls in 4C2=6 ways We can select 3…

Q: A bag of marbles has 10 green, 2 yellow, 3 black, 5 blue marbles. What is the probability of taking…

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: Suppose the spinner shown is spun once. Find the probability of spinning 4.

A: Concept of probability: Probability deals with the likelihood of occurrence of a given event. The…

Q: : The probability that an entering college student will graduate is 0.4. Determine the probability…

A:

Q: Suppose a jar contains 14 red marbles and 10 blue marbles. If you reach in the jar and pull out 2…

A: Solution:

Q: A coin is tossed 5 times. What is the probability that (a) at most 2 heads will occur? (b) At least…

A: Let us denote: X=the number of headsn=sample size=5p=the probability of getting a head=0.5So, X…

Q: Calculate the probability that at most 2 of the roses were Eden Roses.

A: let Number of eden roses = X

Q: a survey found that 10% of americans believe that they have seen a UFO, for a sample of 10 people,…

A: From the provided information, About 10% of Americans believe that they have seen a UFO. The…

Q: The average number of field mice per acre in a wheat field is estimated to be 1.2. Find the…

A:

Q: An urn contains five white balls and six red balls. The second urn contains eight white balls and…

A: It is an important part of statistics . It is widely used .

Q: 2. Find the probability that it is actually one.

A:

Q: A coin is tossed 5 times. What is the probability that (a) at most 2 heads will occur? (b) at least…

A: Givena coin is tossed 5 times Total no.of possible outomes =25=32sample size(n)=32probability of…

Q: Calculate the probability. The probability that a marble that is NOT blue is chosen from a bag with…

A: The probability that a marble is not blue is obtained below: From the given information, number of…

Q: A shipment contains 10​ igneous, 8 ​sedimentary, and 8 metamorphic rocks ... If 5 rocks are selected…

A: Given that  Shipment contains rocks  igneous = 10 Sedimentary = 8 Metamorphic = 8 Total rocks = 26…

Q: The average number of field mice per acre in a 5-acre wheat field is estimated to be 6. Find the…

A: Given : The average number of field mice per acre in a 5-acre wheat field is estimated to be 6.…

Q: In a family with 4 children, excluding multiple births, what is the probability of having exactly 2…

A: Given: n = 4 x = 2 p = 0.5 q = 0.5 Formula Used: Binomial distribution: If a random variable X…

Q: Suppose that 33% of people own dogs. If you pick two people at random, what is the probability that…

A: From the provided information, 33% of people own dogs that is (p) = 0.33 Sample size (n) = 2 The…

Q: From a bag contaning 3 white, 4 black and 4 red balls, a ball is drawn. Find the probability that it…

A: Solution: From the given information, a bag contains 3 white, 4 black and 4 red balls. Total number…

Q: A bag contains 8 red marbles, 6 blue marbles and 3 green marbles. If two marbles are drawn out of…

A: Blue marbles = 6  Total marbles = 17

Q: According to a theory a type of cross breeding of guinea pigs will produce red, black and white…

A: We have given that  Theory a type of cross breeding of guinea pigs will produce red, black and white…

Q: An urn contains five white balls and six red balls. The second urn contains 8 white balls and four…

A: Given data: The numbers of white balls in the first urn are W1=5. The numbers of red balls in the…

Q: Suppose a jar contains 15 red marbles and 26 blue marbles. If you reach in the jar and pull out 2…

A:

Q: Find the probability that when a couple has two children, atleast one of them is a girl (assume boys…

A: Consider the event B denotes the boy and the event G denotes the girl. Sample space for two children…

Q: 3. Find the probability of drawing the number 2 or the number 5 or a jack in a complete deck of 52…

A: Givena complete deck of cards (n)=52No. of cards containing number 2 =4No.of cards containing number…

Q: Find the probability of obtaining an even number or a number can be divided by 3 without remaining…

A: It is an important part of statistics. It is widely used.

Q: An urn incudes 13 balls: 2 red, 4 white and 7 green balls. The probability of selecting 6 balls…

A: There are 2 red, 4 white and 7 green balls. Out of 13 balls, 6 balls need to be chosen.