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: If the probability of winning is 37/100 what are the odds in favor and odds against winning

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A: The probability of winning the game is obtained below:From the given information, there are two…

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Q: When I drive from my apartment to UCSD, I want to choose 2 out of 5 songs from Olivia Rodrigo's new…

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Q: One thousand (1000) elderly males and 2500 elderly females were randomly selected for a dementia…

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Q: A multiple choice quiz has five questions with three options for each question. If you didn't study…

A: Let us denote X=the number of correct answers.n=sample size=5p=probability of success=13 (because…

Q: What is the probability of getting a straight or one pair?

A: In a game of poker, For getting a straight it is needed to get five cards of the same suit in the…

Q: If you flip a coin 3 times, what is the probability of getting two heads?

A: If you flip a coin 3 times. Using Probability formula,

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: If you roll two six-faced dice together, you will get 36 possible outcomes. What is the probability…

A: The 36 possible outcomes are S={ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)  (2,1) (2,2) (2,3) (2,4) (2,5)…

Q: A student has a 30% chance of getting a particular professor for a class. What are the odds of…

A: From the provided information, There is 30% chance a student getting a particular professor for a…

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: Q4/B/ Three machines A, B and C produce respectively 19%, 2% and 3% of the total number of items of…

A: Consider the following events, A=selected item is produced by machine AB=selected item is produced…

Q: What are the addition and multiplication rules of probability and when should they be used?

A: Concept of General Addition Rule: For any two events A and B the General Addition Rule states that:…

Q: The average number of tesla cars that you can see on your drive to work is 29. What is the…

A: Answer: From the given data, X~Poisson distribution(λ) (λ) = 29

Q: What is the probability of obtaining blue followed by green or purple?

A: Given ,First spinner is having three different colours pink, blue, brown.Second spinner is having…

Q: What's the probability of being dealt exactly 3 Jacks when playing 7 card draw poker?

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: The probability of winning on an arcade game is 0.568. If you play the arcade game 22 times, what is…

A: Given number of times arcade game played n = 22Let X be the random variable that denote winning on…

Q: What is the probability that the sum will reach 7 or 10 in one roll of two dice?

A: In rolling a dice following possible outcomes is observed {(1,1),(1,2),(1,3),(1,4),(1,5),(1,6)…

Q: The average number of tesla cars that you can see on your drive to work is 20. What is the…

A: Answer: From the given data, X~Poisson distribution(λ) (λ) = 20

Q: Assume that when adults with smartphones are randomly​ selected, 42​% use them in meetings or…

A: Here, theoretically, if we consider using of smartphones during meetings or classes, when selected…

Q: Let's say that 82% of people have Type O blood.  If 3 randomly selected people donate blood, what is…

A: Givenp=0.82n=3x~Binomial(n=3,p=0.82)P(X=x)=(nx)×px×(1-p)n-x  ; x=0,1,...,n

Q: Professor Ramos will participate in a lottery that will be played by 165 participants. He buys a…

A: The question is about expected value.Given :Total no. of participants = 165Cost of ticket =…

Q: It is expected that during cricket world cup the probability that as serious trouble maker will try…

A: probability that as serious trouble maker will try to disrupt a cricket match is 6 % probability…

Q: Give me an 5 example of joint probability with solution please

A: Note: Hi there! Thank you for posting the question. As you have asked for more than 1 solution, as…

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: If you roll a 64 sided die 100 times; what is the percentage of chance that you will see all the…

A: Given: Number of trials = n = 100 Possible values when a die is rolled: 1 to 64

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: 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: Find the probability of getting three or more cars that fail among six cars tested

A: Solution: To find: The probability of getting three or more cars that fail among six cars tested.?