What is the expected number of 6's rolled?

Q: What is the probability of obtaining three tails in a row when flipping a coin? Interpret this…

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Q: What is the probability of a z-score less than -0.02?

A: It is given that z-score is less than –0.02.

Q: The ABCD ELECTRONICS has just manufactured 5000 blu-rays, and 50 are defective  if 5 of these…

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Q: A dice is rolled 3 times. What is the probability of showing a 6 on every roll? (Round to 4 decimal…

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Q: Approximate the mean of the random variable X based on the simulation for 25 games. hits (Round to…

A: Given , the numbers of hits for 25 games in table, 0 0 1 1 0 5 4 3 0 1 2 2 1 2 3 1 1 1 1 1…

Q: find the z scores probability  1- left area of -2.5 2- right area of 2.5

A: We have to find out z score for left of -2.5 and right of 2.5  Here we use z score table for finding…

Q: What is the Z value of calculating probability of x<3500, on a single test?

A: If is given that,  Mean is μ=7500 and standard deviation is σ=1750

Q: Each wedge in the spinner below is the same size. 1. We will spin 100 times and count how often it…

A: Bernoulli Trail: In probability theory, a Bernoulli trial is a random experiment which has exactly…

Q: What is the probability of being dealt four cards of one denomination and two of another in six-card…

A: Given data: What is the probability of being dealt four cards of one denomination and two of…

Q: 6. The lifetime X (hours) of a randomly selected battery of a particular brand has pdf 4x3…

A: Given that : f(x) =  (4x3 / 4554 ) (exp (- x/455) 4 )                     : 0&lt; x &lt; infinite.…

Q: Suppose that a 12D die is rolled 13 times. What is the probability that 7 ones appear? (round your…

A: Solution- Given that , a 12D die is rolled then the total sample space…

Q: where did the 14 come from when you multiplied by 182 for the expected count?

A: we need clarify, where did the 4 come from when you multiplied by 182 for the expected count

Q: You toss a biased coin until you get the pattern HT. The probability of heads is . What is the…

A: Given that, The probability of getting head is Then , the probability of getting tail is ,   Let…

Q: number of juniors in the committee? cted number of juniors in the committee is o two decimal places…

A: Given that a committee of 3 members is selected from a club made up of 8 junior members and 22…

Q: A baseball player’s batting average is 0.320 (32%). This player batted 100 times. 1) Find the…

A: Givenp=0.32n=100Let "x" be the player will get no.of…

Q: A professor use chi-square test to examine the relationship between smoking and colon cancer. He…

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Q: What is the probability of drawing 12 aces from a standard deck of 52 cards. Round to four decimal…

A: In a standard deck of playing cards there are total 52 cards and 4 suits, such as hearts, diamonds,…

Q: How do you find experimental probability

A: Theoretical probability: This is the probability value that is expected to happen. It is the ratio…

Q: What is the probability of tossing 6 tails in 8 coin tosses with a fair coin? Round to three decimal…

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Q: An urn contains 5 red balls, 5 blue balls, and 5 green balls. If you randomly select three balls…

A: Number of red balls=5Number of blue balls=5Number of green balls=5Total number of balls=15

Q: What is the expected number of “6’s” in 10 die rolls?

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: What is the expected number of times a 1 appears when a fair cubic die is rolled 120 times?

A: When we roll a die the probability of getting 1 is p = 1/6 Number of times we rolled a die is = n =…

Q: What is the expected number of heads that come up when a fair coin is flipped five times? (find the…

A: As coin is flipped 5 times, so number of trials is n=5. Now, probability of getting a head on a fair…

Q: sume that 15​% of people are​ left-handed. Suppose 12 people are selected at random. What's the…

A: Given data, people are​ left-handed =15%=0.15 Which means people are right-handed =0.85 n=12 What's…