It is known that an average of 5 trains pass through Grand Central Terminal every 30 minutes. Find the probability that less than 2 trains will pass in an hour

Q: Suppose a jar contains 13 red marbles and 36 blue marbles. If you reach in the jar and pull out 2…

A: We have total number of marbles in the jar = 13 red marbles + 36 blue marbles = 49. We can pull out…

Q: The probability that a customer will buy a car and an extended warranty is 0.16.  If the probability…

A: GivenThe probability that the customer will buy a car and extended warrenty is 0.16i.e.,P( purchase…

Q: A die is rolled twice. What is the probability of showing a 6 on both rolls?

A: A die is rolled twice. What is the probability of showing a 6 on both rolls?

Q: On the average, an intersection in Espana results in 3 traffic accidents per month. What is the…

A: Given that on an average, 3 accidents occur per month, so the parameter, λ=3 Let X be a random…

Q: An office receives 20 faxed orders every two hours. What is the probability that it will receive 8…

A: Given: Number of order every two hours = 20 So, number of orders every hour = 202=10 Let X be the…

Q: An airline company knows by experience that on average 5 % of passenger who have reserved a seat…

A: We can solve this problem by using binomial distribution.  Given 5% of people not arrive in the…

Q: When 2 dice are rolled, find the probability of getting a sum less than 5 or greater than 8

A: When a die is rolled, possible outcomes are 1 , 2 , 3 , 4 , 5, 6  we roll 2 dice

Q: Suppose a jar contains 18 red marbles and 28 blue marbles. If you reach in the jar and pull out 2…

A: Given data, Total number of red marbles = 18 Total number of blue marbles = 28 Total number of…

Q: According to a monthly business report, XYZ enterprise closes 5 days each year due to typhoon. What…

A: Let X denote the number of days XYZ enterprise closes each year.

Q: A bag contains 3 yellow and 5 black balls. If 2 balls are drawn in succession without replacement,…

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Q: A pair of dice is rolled. What is the probability that the sum of the numbers rolled is 4?

A:

Q: It is known that an average of 5 trains pass through Grand Central Terminal every 30 minutes. Find…

A: Given that, An average of 5 trains pass through in every 30 minutes. From this we can say that this…

Q: In a large city there are an average of 02 fires per year. What is the probability that next year…

A: Solution: Let X be the number of fires per year. From the given information, average number of fires…

Q: The probability that a boy will get a scholarship is 0.9 and that a girl will get is 0.8. What is…

A:

Q: If you reach in the jar and pull out 2 marbles at random at the same time, find the probability that…

A: Total number of red marbles = 18 Total number of blue marbles = 26 Total number of marbles = 18+26 =…

Q: If a baseball player has a batting average of 0.275​, what is the probability that the player will…

A: Givensample size(n)=4p=0.275p+q=1q=1-p=0.725Let x be a random variablex~Binomial (n,p)Accoding to…

Q: Suppose a jar contains 13 red marbles and 35 blue marbles. If you reach in the jar and pull out 2…

A: Given problem Given that   Suppose a jar contains 13 red marbles and 35 blue marbles. If you reach…

Q: Find the probability that exactly 7 out of 10 adults are active on social media considering a…

A: Given that  Probability of failure = 50% = 0.50 = P (1-P) = 1-0.50 = 0.50  = P(Success) Sample size…

Q: ed marbles and 10 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same…

A: Total marbles = 10+5=15 marbles  Red marbles  = 5

Q: die is rolled four times. What is the probability that the four numbers are

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Q: A die is rolled 4 times. What is the probability that «3» appears 2 times given that «3» appeared at…

A:

Q: If there are 6 people in a room, what is the probability that at least two of them have the same…

A: If there are 6 people in a room, what is the probability that at least two of them have the same…

Q: terback completes 67% of his passes, what is the probability that he will not complete his

A: A: The quarterback will complete passes The probability of passing is  P(A) = 0.67

Q: Two die is rolled, find the probability that the number obtained is greater than 5.

A: Know that  Total sample space =S S={ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)  (2,1) (2,2) (2,3) (2,4)…

Q: A scientist inoculates​ mice, one at a​ time, with a disease germ until he finds 2 that have…

A: Consider inoculation of mouse trial .  Let's consider it as success if a mouse contracts the disease…

Q: If a Basketball player makes 76% of their free throws. What is the probability that they make at…

A:

Q: If the probability that the average freshmen will not complete 5 years of an engineering course is…

A:

Q: According to a survey, the probability that a family owns 2 cars if its annual income greater than…

A:

Q: A scientist inoculates​ mice, one at a​ time, with a disease germ until he finds 2 that have…

A:

Q: Suppose a jar contains 8 red marbles and 10 blue marbles. If you reach in the jar and pull out 2…

A: A jar contains 8 red marbles and 10 blue marbles, Total number of marbles in the jar= 8+10=18

Q: It is known that an average of 5 trains pass through Grand Central Terminal every 30 minutes. Find…

A: If an average 5 trains pass through Grand Central Terminal every 30 minutes then an average 5×2=10…

Q: When 2 dice are rolled, find the probability of getting a sum less than 4 or greater than 8

A: Let E be an event. Then the Probability of E =n(E)n(S) where, n(S)= number of points in sample…

Q: It is known that an average of 5 trains pass through Grand Central Terminal every 30 minutes. Find…

A: Consider the random variable X that reprsent number of trains that will pass through Grand Central…

Q: Suppose a jar contains 5 red marbles and 20 blue marbles. If you reach in the jar and pull out 2…

A: Introduction: According to the permutation rule, if r distinct items are to be chosen from n items…

Q: According to the maintenance department of a university, an average of 6 mechanical failures per day…

A:

Q: If the probability of seeing a ship from the beach in 1 hour is 0.35, what is the probability of…

A: Given that ,The probability of seeing a ship from a beach in hour is 0.35 .

Q: A scientist inoculates mice, one at a time, with a disease germ until he finds 2 that have…

A: Let random variable X represents the number of mice to be inoculated to get mice contacting the…

Q: Suppose a jar contains 20 red marbles and 16 blue marbles. If you reach in the jar and pull out 2…

A:

Q: In a blood testing​ procedure, blood samples from 5 people are combined into one mixture. The…

A:

Q: Suppose a jar contains 5 red marbles and 40 blue marbles. If you reach in the jar and pull out 2…

A: A jar contain 5 red and 40 blue marbles Total number of marbles is 5+40 =45. The first red marble…

Q: On average there are 3 leaks for every 100 miles of a pipeline. What is the probability that a…

A: Givenon average there are 3 leaks for every 100 miles of a pipelineλ=32=1.5  leaks per 50-mile…

Q: A dice is rolled 2 times. What is the probability Of showing a 6 on every roll?

A: When a die is rolled there are 6 possible outcomes that are 1,2,3,4,5,6. Similarly a dice is rolled…

Q: A telemarketer will give an average of 4 calls in an hour. Find the probability that he will give at…

A:

Q: What is the probability that there will be 8 calls in a given one hour interval?

A: here given, The average interval between calls on a phone is 10 minutes. λ = 110 calls per minute λ…

Q: Suppose a jar contains 8 red marbles and 31 blue marbles. If you reach in the jar and pull out 2…

A: Explanation of the answer is as follows

Q: Griffin Labs has noted that they admit an average of 7 patients per hour. What is the…

A:

Q: If two fair dice are​ rolled, find the probability that the sum of the dice is 9 given that the sum…

A: Given that the sum is greater than 6.  So the sample space for this is: (1,6) , (2,5) , (2,6) ,…

Q: and 20 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same time, find…

A: The jar has 20 red marbles and 20 blue marbles. The total number of marbles are 40. To find the…

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.