Suppose an acre in the eastern plains is selected at random. What is the probability that there are no black-tailed prairie dogs in this acre?

Q: A sixth grade class has 30 students. 15 of those students play baseball, 18 play basketball, and 10…

A: As per the rules of probability, PA∪B=PA+PB-PA∩B, where PA∪B denotes either A or B or both. PA ∩B…

Q: on a tropical day at the beach in southern California, a beachgoer will encounter 12 different…

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Q: A monk crossbred plants, which can have purple or white flowers, and obtained 600 plants with white…

A: The number of white flower plant are 600. The number of purple flower plant are 250.

Q: An urn contains 5 white balls and 6 red balls. A second urn contains 8 white balls and 4 red balls.…

A: Given data: The numbers of white balls in the first urn are w1=5. The numbers of red balls in the…

Q: A cookie is selected at random from a basket containing 27 peanut butter ​cookies, 16 caramel…

A: Given info: The basket contains 27 peanut butter ​cookies, 16 caramel ​cookies, 11 sugar ​cookies,…

Q: Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced…

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Q: A jar contains 12 marbles: four red, five blue, and three orange. If you pull three marbles without…

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Q: A couple has three children. Assuming each child has an equal chance of being a boy or a girl, what…

A: From the provided information, A couple has three children that is n = 3 Probability of being a girl…

Q: A bag contains 77 greengreen marbles, 1010 blackblack marbles, and 55 whitewhite marbles. If two…

A: Given: 7 green marbles 10 black marbles 5 white marbles

Q: Suppose that 20% of people own dogs. If you pick two people at random, what is the probability that…

A: Given that, 20% of people own dogs. Sample size = 2

Q: In a state legislature the elected representative include 17 Democrats, 13 Republicans, and 4…

A: Given  Elected representatives(34)=17(Democrat)+13(Republican)+4(independent)

Q: Alice has 8 pennies, 4 nickels, 2 dimes, and 6 quarters in her pocket. If one coin is drawn…

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Q: A bag contains 44 U.S quarters and six Canadian quarters. If seven quarters are randomly picked from…

A: Given that. Total quarters=44+6=50 U.S quarters=44 Canadian quarters=6 Find P(at least 1 Canadian…

Q: The probability that a house in an urban area will be burglarized is 6​%. If 47 houses are randomly​…

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Q: Suppose that 37% of people own dogs. If you pick two people at random, what is the probability that…

A: From the given information, it is clear that   The probability that people owns the dog=0.37.…

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

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Q: Two cards are selected from a deck of standard deck of 52 cards. The first card is not replaced…

A: There are 52 cards in a standard deck of cards.  We can select 2 cards from 52 cards in 52P2=2652…

Q: Sixteen percent of U.S. residents are in their thirties. Consider a group of seven U.S. residents…

A: Given datan=7p=0.16Binomial theoremProbability of x success out of n trial is given by

Q: Suppose that an incubator contains 200 eggs. The probability that a hatching egg will contain a…

A: Given : X = Number of female chick hatch. n = 200 p = 0.5 q=1-p=0.5 X~Binomial(n=200,p=0.5) Here,…

Q: Two cards are selected with replacement from a standard deck of 52 cards. Find the probability of…

A: no.of queen  cards =4no.of king cards=4and total no.of cards=52

Q: Pat randomly chooses marbles from an urn with replacement. The urn originally contained 55 red​…

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Q: A class consists of 10 males and 30 females. If one student is randomly selected from the class,…

A: We have given the  that  10 males  30 females  Total = 40

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: A bowl contains 8 Nips®, 3 blue, 1 yellow, 1 red, 1 green, and 2 black. If a child picks one Nips at…

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Q: An urn contains 10 red balls, 20 yellow balls, and 40 orange balls.  If you reach into the urn and…

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Q: In a classroom of 27 students, there are 17 girls and 10 males. Mr. Stover wants to randomly select…

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Q: A box of miniature cars contains 6 red cars, 5 blue cars, and 7 black cars. One car is drawn at…

A: From given threre is : 6 red cars, 5 blue cars, 7 black cars.

Q: An urn contains 6 red, 7 blue, and 5 green balls. You draw out two balls and they are different…

A: Given that  An urn contains 6 red, 7 blue and 5 green balls. You draw out two balls and they are…

Q: 3. A jar contains black and white marbles. Two marbles are chosen without replacement. The…

A: Given A jar contains black and white marbles. Two marbles are chosen without replacement. The…

Q: A cookie is selected at random from a basket containing 10 peanut butter ​cookies, 8 caramel…

A: From the provided information, The basket contains 10 peanut butter cookies, 8 caramel cookies, 12…

Q: n a certain county in Michigan, the rate of vaccinated school-aged children is 86%. If 30 children…

A: P(Vaccinated) = p = 0.86sample size : n = 30X = Number of vaccinated childrenP(x=25) = ? Number of…

Q: An urn contains 5 red balls, 3 green balls. Draw 8 balls without replacement. What is the…

A: We can draw the third ball to be red in 5C1=5 ways. We can draw the seventh a green one in 3C1=3…

Q: A jar of marbles contains the following: two purple marbles, four white marbles, three blue marbles,…

A: Given that in a jar of marbles contains the following: two purple marbles, four white marbles, three…

Q: A jar contains 6 poker chips: 3 blue, 2 red and 1 white.  You randomly select two chips from the…

A: Given data, Number of Blue chips= 3 Number of Red chips= 2 Number of white chips=1 Total number of…

Q: Suppose that 19% of people own dogs. If you pick two people at random, what is the probability that…

A: