In a video game, a specific attack succeeds at a rate of 20% and every try is independent. Determine the probability that the first attack lands on the 3rd try.

Q: The average number of cockroaches per hectares in a 7-hectares wheat field is estimated to be 11.…

A: Let , X be the number number of cockroaches per hectares in a 7-hectares Here , X has Poisson…

Q: he table below summarizes pregnancy test results for 100 patients.   If one subject is randomly…

A: The contingency table is given as:   Positive Test Result Negative Test Result Row Total…

Q: A class has 18 boys and 12 girls. The teacher calls on students at random to recite. What is the…

A: Given that  Total students=18+12=30 Boys students=18 Girls students=12 Teacher calls on students at…

Q: A medical study tests a new cough medicine on 4250 people. It is effective for 3982 people. What is…

A: Based on the provided information, the known values are: Number of success=3982 people. Number of…

Q: Research finds that of all the ACCA exam participants, 90% will successfully complete it. In 2019, 5…

A: We need to find P(X<=1)=P(X=0)+P(X=1)

Q: A used truck salesman in a small town states that, on the average, it takes him 5 days to sell a…

A: Consider X be a random variable that represent the length of time between sale. Since the average…

Q: In a physical fitness test it is known that the probability that a person passes it satisfactorily…

A: Givenn=8probability for people fail in test =…

Q: The mayor of a town estimates that 65% of the residents in the town favor a raise of taxes to…

A: Given information: p=The probability of residents in the town favor a raise =65%=0.65 400 people…

Q: The production operation of a mineral water company fills the bottles uniformly between 490 ml and…

A:

Q: Peyton rolls a standard die 15 times. What is the probability he rolls a two exactly four times?…

A: Given: Peyton rolls a standard die 15 times Find out the probability he rolls a two exactly four…

Q: a mother figures that her son will forget his homework about 20% of the time. What is the…

A: Given data: The percentage son forgets his homework is p=20%=0.20. The number of days is n=10. The…

Q: Customers arrive at the service counter at the rate of 15 per hour. What is the probability that the…

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Q: The probability that a person buys a car from a particular dealership after a test-drive is 25%.…

A: probability mass function of B.D is = f ( k ) = ( n  k ) p^k * ( 1- p) ^ n-kwhere       k = number…

Q: Jane tosses a fair die 3 times. What is the probability she rolls at least 1 five? If necessary,…

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Q: When taping a television commercial, the probabilityis 0.30 that a certain actor will get his lines…

A:

Q: A fair die is rolled 6 times. What is the probability of having no 3 and no 4 among the rolls? Round…

A: It is given that a fair die is rolled 6 times, then we will get sample space as S=…

Q: A local jam production company is confident that 60% of the population will like its new grapefruit…

A: Given data,p=60% =0.60n=10P(X=3)=?

Q: A fair die is rolled six times. What is the probability that it comes up 2 at least once

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

Q: od for finding probability to determine the probability of : rolling a single dice and getting a…

A: The sample space for rolling a die is shown below: {1, 2, 3, 4, 5, 6} There are 6 possible outcomes…

Q: An aerospace company tests a new missile prototype. The probability of a hit is, in any test, 0.95.…

A: Ans - Given, An aerospace company tests a new missile prototype. The probability of a hit is, in any…

Q: The table summarizes results from pedestrian deaths that were caused by automobile accidents.…

A: The table summarizes result from pedestrian deaths that were caused by automobile accidents is…

Q: An automatic car washing machine can wash 8 cars per hour. If the customers arrive to wash their…

A: Given: μ=8 car per hour customers come to wash their cars every 10 minutes

Q: During a Kansas tornado season, the probability a local grocery store experiences power outage on…

A: (d) On at least one day: P(At least 1 day)= 1- P(None of days) --(1) So 1st we need to find P(None…

Q: A telephone switch board in a firm receives on a average 90 calls per hour. Find the probability…

A: X~ Poisson (lemda=90) Pd.f. of X is given by, p(x)= e-lemda(lemda)x/X!

Q: Find the probability for the experiment of tossing a six-sided die twice. The sum is 7.

A:

Q: For An observer stands at an overpass of a highway and counts the vehicles that pass by. He stops…

A: Given problem Given that   For An observer stands at an overpass of a highway and counts the…

Q: In a video game, a specific attack succeeds at a rate of 18% and every try is independent.…

A:

Q: Find the probability of getting an even number when a die is thrown.

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Q: g. What is the probability that the useful life of a laser exceeds five years?

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Q: The experimental probability that Morgan will randomly select a penny from a bag of coins is 19100.…

A: Given that

Q: Compton Computers finds that the time to failure of its power supply unit is 4000hours. One unit…

A: Mean time between failures =MTBF = 1λ= 4000 hours where λ represents the failure rate Time to…

Q: An archer is able to hit the bull's-eye 44% of the time. If she shoots 7 arrows, what is the…

A: Given: Number of shots (n) = 7 Probability of success (hitting the bull's eye) = p = 0.44 Let X be…

Q: During a Kansas tornado season, the probability a local grocery store experiences power outage on…

A: Given that, local grocery store experiences power outage on any workday is 0.125. i.e Probability…

Q: C: The probability of being salt-resistant if it is unsuitable for use ? *

A: Q2: C. There are 200 bags are unsuitable for use in which half of the unsuitable for use is of the…

Q: You roll a die five times. What is the probability that you will see a string of three or more…

A: Given data: *The die is rolled 5 times, n=5. The probability of getting one (success) when a one die…

Q: It has been found from experience that an exclusive clothes shop makes anaverage of four sales every…

A: Given that an exclusive clothes shop makes an average of four sales every fifteen minutes. If we…

Q: what is the probability of getting a 20 or 21 playing roulette? express answer as a % with 2 decimal…

A: Roulette has numbers 1 through 36 inclusive

Q: A die is rolled twice. What is the probability of showing a 5 on both rolls? Your answer is: Preview

A: If a die is rolled twice then in each roll there are 6 outcomes. So in two rolls, there are (6*6)=36…

Q: Find the probability for the experiment of tossing a six-sided die twice. The sum is at least 10.

A: Find the probability for the experiment of tossing a six-sided die twice. The sum is at least 10.

Q: The probability of a man hitting a target is How many times must he fire so that the probability of…

A: Let , X be the number of fires to hit the target. Here , X→B(n , p=1/4) The probability mass…

Q: Find the probability of getting a number less than 5 in a single throw of a die.

A: Solution: 1. Suppose a die is thrown. Then, the sample space is

Q: In a factory, there were 12 accidents involving machinery in the last six months.  (d) Calculate…

A: Given, In a factory, there were 12 accidents in the last 6 months => 12/6 = 2 accidents per month…

Q: If you roll 1 six sided die, what is the probability that you roll an odd number? (Express your…

A: Probability is defined as the extent to which an event is likely to occur. The probability of an…

Q: (e) Find the probability that less than 69% of sampled adults drink coffee daily. The probability…

A:

Q: 15-minute break, that is, calculate P (T> 0.25). Question: What is the probability that this…

A: Here use exponential distribution for solving both parts

Q: An old camera has a 45% chance of not responding after taking a shot. What is the probability that…

A: Solution-: Given: p=0.45 We want to find, P(the camera will stop responding on the 6th shot of the…

Q: A quarterback completed 60 percent of his passes one season. Assuming he is as good a quarterback…

A: According our policy we can answer only first question for remaining please repost the question.

Q: Joe tosses a fair three-sided die 9 times. What is the probability he rolls all threes? If…

A: