A person draws a card from a hat.  Each card is one color, with the following probabilities:  1/20 for green, 1/10 for blue, 1/25 for purple, and 1/5 for ehite.  What is the probability of pulling a blue or green card, written as a reduced fraction?

Q: In a large population, 50 % of the people have been vaccinated. If 3 people are randomly selected,…

A: Givenp=50%=0.50n=3x=noof people get vaccinatedx~Binomial(n=2,p=0.50)P(X=x)=Cxn px (1-p)n-x    ;…

Q: A group of coffee drinkers were asked if they prefer their coffee black or with cream and/or sugar…

A: There are 26+64+12+23 = 125 respondents. Out of them 12 drinks black decaf coffee.

Q: In a group of 25 boys, 20 play ice hockey and 17 play baseball. They all play at least one of the…

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Q: If a teacher calls on a student randomly to answer a question, what is the probability the student…

A: Given : In a certain class of students, there are 9 boys from Morrow, 6 girls from Stockbridge, 10…

Q: In a recent study, 29% of people surveyed indicate chocolate was their favorite flavor of ice cream.…

A:

Q: 5) People were asked if they prefer Pepsi or Coke. The results are in the table below. Female Male…

A: ( a ) P( both prefer Pepsi) = ? ( b ) P( Female or Coke ) = ?

Q: At a certain college, there were 600 science majors, 200 engineering majors, and 400 business…

A:

Q: A sample of automobile dealerships found that 19 % of automobiles sold are silver. If two cars are…

A: Given Information: 0.19% of the automobiles sold are silver. Two cars are selected randomly.

Q: A particular telephone number is used to receive both voice calls and fax messages. Suppose that 25%…

A: Note: Since you have posted multiple question, we will solve the first question for you. If you want…

Q: On a deck of 52 playing cards, what is the probability of drawing either a heart or a club, then a…

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Q: A jar contains green wrapped candies and yellow wrapped candies.  A person selects two wrapped…

A:

Q: If one student is randomly chosen from the group, what is the probability that the student chose…

A: Given problem Given that     Homework Housework Outside Employment Recreation Other Total…

Q: Thirty percent of the students in Unix College is in favour of a ban on drinking in the dormitories.…

A: Let us assume that X= number of students who favor ban  X follows a binomial distribution with…

Q: Wells were dug in a plain, and it was found that 15% of the water from the dug wells was not…

A: Solution: Given: Number of new wells: n = 10 It was found that 15% of the water from the dug wells…

Q: A monk crossbred plants, which can have purple or white flowers, and obtained 547 plants with white…

A:

Q: In a certain conservative precinct, 69% of the voters are registered Republicans. What…

A: Solution: Given data; P = 0.69 Sample size (n) = 100 To find: P( X >= 58) =?

Q: At a car manufacturing plant, 10% of cars have some sort of defect when they come off the line. If…

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Q: card is drawn from a deck of bridge cards, so the probability of choosing a Diamond card or an Ace…

A:

Q: In a random survey of students concerning student activities, 31 engineering majors, 27 business…

A: Find probability

Q: Q6: A machine produces a defected items with a probability of 0.1. What is the probability that in a…

A: As part guideline expert have to be answer first question only.

Q: a man is dealt with four diamond cards from an ordinary deck of 52 cards. If he is given five more…

A: A standard deck of cards has four suites: hearts, clubs, spades, diamonds Each suite has 13 cards:…

Q: A softball pitcher has a 0.431 probability of throwing a strike for each pitch. If the softball…

A: Let the R.V X denotes the number of throws and it follows the binomial distribution with parameters…

Q: Suppose a pair of dice are rolled. Consider the sum of the numbers on the top of the dice and find…

A: if a pair of dice are rolled then the possible out comesare 36.i.e n(s)=36no.of possible out comes…

Q: At Joe Cool University, 38% of all students have a pet dog, 51% have a pet cat, and 24% have both…

A: Let D=all students have a pet dogC=all students have a pet catP(D)=0.38P(C)=0.51P(D∩C)=0.24

Q: 90 students, including JB and Jane, are to be split into three classes of equal size, and this is to…

A: The number of student in the class is 90. Number of parts the class is divided is 3.

Q: B. 80% of people who have sports cars are men, if 10 sports car owners are randomly selected, find…

A:

Q: a) What is the probability that exactly two of the selected bulbs are rated 23-watt? b) What is the…

A: nCr=n!r!n-r!   6 lightbulbs are 13 watt,5 are rated 18 watt,6 are rated 23 watt. 3 bulbs are…

Q: Suppose that 15 lightbulbs are in a cabinet and that 4 are defective. If three bulbs are chosen at…

A: It is given that, 15 lightbulbs are in a cabinet and that 4 are defective.Then, 15 - 4 = 11…

Q: In a group of 10 people chosen randomly, what is the probability that three of the ten people have a…

A: Given: Number of trials (n) = 10 Probability of success (p) = 11000000=0.000001 Let X be the number…

Q: A group of people were asked if they owned a dog. 131 responded "yes", and 385 responded "no". Find…

A: Total response  = 131+385 = 516 To owe dog,  total yes = 131

Q: At a tune-up and brake repair shop, the manager hat found that a car will require a tune-up with…

A: Let A= a car require a tune-upB=a brake repair jobgiven,P(A)=0.6P(B)=0.1P(A∪B)=0.02

Q: Hi! I am needing help with this practice problem. I got the first part, but I am not sure how to get…

A: We first find how many times we are expected to get 1 or 2 or 3 if I spin the spinner 100 times.

Q: (a) What is the probability that exactly two of the selected bulbs are rated 23-watt? (b) What is…

A: AS PER POLICY I HAVE CALCULATED FIRST 3 SUBPARTS PLZ REPOST FOR OTHER PARTS here from given…

Q: In a random survey of students concerning student activities, 32 engineering majors, 26 business…

A:

Q: What  is the probability that a hand of 5 cards chosen at random from a standard deck of 52 cards…

A: The 5 cards chosen need to have an odd number of cards from each of the four suits. There are 4…

Q: On a single draw from a deck of 52 playing cards, what is the probability of getting: Multiple…

A: A deck consists of 52 cards. n(S)=52

Q: about 7% of the population of a large country is nervous around strangers. If two people are…

A: The probability that both are nervous around strangers is,

Q: A perso. Draws a card from a hat. Each card is one color, with the following probabilities of being…

A: From the provided information, Probability of drawing yellow color card = 1/10 Probability of…

Q: A spinner is split up into 4 colored areas of the same size: red, blue, green, and yellow. The…

A:

Q: A manufacturer of aluminum sheets, finds that on the average, 12.5% of his sheets are rejected…

A: Binomial Distribution: If we have n trials each having two outcomes, say Success and Failure, trials…

Q: (a) What is the probability that exactly two of the selected bulbs are rated 23-watt? 0.176 (b) What…

A: here as per policy i have calculated 3 subparts plz repost remaining parts with note i need answer…

Q: The probability of going from state C to state A in three trials is

A: Given, the transition matrix P and the powers of P below:  P=0.40.30.30.20.50.30.10.70.2,…

Q: In general, after a group makes a reservation at a restaurant, they do not show up 20% of the time.…

A: Multiplication rule for independent events:If two events A and B are independent then the…

Q: Statistics released by a reputable traffic safety organization show that on an average weekend…

A: Answers: a) The probability is 0.0011 b) The probability is 0.0222 c) The probability is 0.3693

Q: Out of 800 families with 4 children each, what percentage would be expected to have no girls? Assume…

A: From the provided information, There are 800 families with 4 children each. The probability of girl…

Q: If one student is randomly chosen from the group, what is the probability that the student is female…

A:

Q: A person draws a card from a hat. Each card is one color, with the following probabilities of being…

A: The probability of selecting a green card is 1/10 and the probability of selecting a purple card is…

Q: A box contains 4 black shirts, 8 blue shirts, 4 black pants, and 10 blue pants. Determine the…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.