On a test to obtain a securities license there are 10 questions with possible answers A, B, C, D, & E with probability of getting the correct answer is 70%. A student is taking this test , what is the probability of getting at least 4 correct by guessing on the 10?

Q: What is the probability of throwing a total of 8 with 3 dice ?

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Q: There are 5000 people in a village. 2000 were diagnosed sick. I am wrong 20% of the time. If you are…

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Q: A box contains 23 good parts and 8 bad parts. If two parts are drawn at random from the box with…

A: 23 good 8 bad __________ 31 total   Select two at random without replacement.

Q: A history class is comprised of 9 female and 4 male students. If the instructor of the class…

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Q: In a class of 6 girls and 5 boys, what is the probability of having girls and boys seated…

A: The provided information is  6 Girls 5 Boys  The arrangement is Girls on first seat and girls on the…

Q: An examination have 5 items with 4 choices each item.  1. What is the probability of getting 2…

A: Given that  An examination have 5 items with 4 choices each item.  Number of questions (n) = 5…

Q: What is the probability of getting either a sum of 5 or at least one 5 in the roll of a pair of​…

A: Suppose a pair of dice is rolled, its sample space is written as follows:

Q: A coin is tossed five times. What is the probability of getting 3 tails in these five tosses? Enter…

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Q: What is the probability that a sale will be made before the fourth sales call if the probability you…

A: From the given  information, Probability of success (he made sale call) = 0.17 p=0.17q=1-0.17  =0.83…

Q: ability of getting "six" at

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Q: Suppose you are going to form a committee of students and faculty. You have 12 total students and 24…

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Q: Suppose that 54% of people own dogs. If you pick two people at random, what is the probability that…

A: The probability of this event is independent of each other of final probability will be the product…

Q: There are 28 students in a class taking a test. What is the chance you can guess correctly who is…

A: Given information: It is given that there are 28 students in the class taking the test.

Q: Find the probability of pulling a king in a deck of cards (poker cards)?

A: Obtain the probability of pulling a king in a deck of cards. The probability of pulling a king in a…

Q: What is the probability of having 3 boys given the oldest is a boy?

A: The theory of probability has its origin in the seventeenth century. The king of France who…

Q: Nasa needs to select a 7 person crew for a space mission from 43 applicants of whom are 21 women.…

A: Given data: the total numbers of applicants are n=43. The numbers of persons selected for space…

Q: What would the probability of selecting all 5 cards to be a Diamond or a Club

A: Combination Rule:The arrangement of r objects from n different objects is given by:

Q: You are dealt one card from a standard 52 card deck find the probability of being dealt a card…

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Q: 22. In shooting arena there are 5 different guns. Probability of hitting aim from gun1 is 0.5.…

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Q: What is the probability of drawing the king of hearts from a well-shuffled deck of 52 cards?

A: In question, We'll find the probability of drawing the king of hearts from the well shuffled deck of…

Q: A game is played by rolling the two dice, three times (toss the two dice three times). What is the…

A: It is given that there are two dice that are thrown three times. Consider that D1 and D2 are defined…

Q: a test consists of 10 true/false questions. To pass this test a student must answer at least 7…

A: In this context, X has a Binomial distribution with parameters n = 10 and p = 0.5. Since X is a…

Q: If you flip a coin 10 times, what is the probability of getting at least 5 tails? Express…

A: It is given that:Number of times the coin is tossed : and let x denotes the number of times tail…

Q: If you toss 6 coins, what is the probability of all 6 coins matching?

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Q: If you roll two dice what’s the probability of rolling a seven the numbers on the dice add up to…

A: we roll two dice total possibilities = 62=36all outcomes are equally likely

Q: What is the probability of having 4 boys given the oldest is a boy?

A: Solution

Q: Suppose you flip eight fair coins   What is the probability of flipping less than three heads? What…

A: Introduction:If X ~ Bin (n, p), then the probability mass function of X is:p (x) = (nCx) px (1 – p)n…

Q: Ali went to play a lucky game . If 135 tickets of this lucky game were sold and the probability of…

A: Given, n(s) = 135 P(A) = 1/9 n(A) = ?

Q: Suppose you are going to form a committee of students and faculty. You have 6 total students and 16…

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Q: In an average year in Las Vegas, there are 5 fires. a. What is the probability that there'll 8 fires…

A: Given problem Given that   a)

Q: standard deck with 50 cards — 25 red and 25 black — is shuffled. The probability that the top card…

A: 50 cards in a deck are shuffled. Among those 50 cards 25 are red and 25 are black. Total number of…

Q: Suppose you flip eight fair coins.   What is the probability of flipping exactly eight heads? What…

A: Binomial distribution:The events that has exactly two possible outcomes (success or failure) follows…

Q: What is the probability of getting either a sum of 7 or at least one 6 in the roll of a pair of​…

A: We can get sum of 7 if the outcomes are: (1,6) , (6,1) , (2,5) , (5,2) , (3,4) , (4,3)

Q: If 4% of the passengers traveling to San Francisco have their luggage lost, what is the probability…

A: given data  P(luggage lost) = p = 0.04 n = 150 peoples x = no. of people lost their luggage  P(x≥5)…

Q: what is the probability of drawing either an ace or a heart from a single draw from a deck of 52…

A: In question, Given that a single Card is drawn from a deck of cards. Then we'll find the probability…

Q: Out of 39 men and 26 women what's the probability of randomly choosing a woman?

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Q: The original question had percentage not probability. So what is the percentage are between 14.7 and…

A: The mean is 37.5 and the standard deviation is 7.6.

Q: Among the products of the first company, defective is 10%, the second 20%, the third  25%. We bought…

A: The probability that an event occurs, is equal to ratio of number of favourable outcomes for the…

Q: Suppose you are going to form a committee of students and faculty. You have 9 total students and 18…

A: Answer - Given, You have 9 student and 18 faculty                  You are going to form a committee…