If X = the number of arrivals per minute: Find the probability of 8 customers or less arriving within a minute. Find the probability of more than 7 customers arriving within a minute.  Find the probability of 3 customers arriving within a minute.

Q: Suppose the probability of getting an "A" in a certain class is 0.22. A group of 5 friends is taking…

A: Here we want to Determine the probability that none of the friends earn an "A" in the class.

Q: The random variable X can only take the values ​​1, 2, 3 and 4 with equal probability. Determine the…

A: Given information: A random variable X has been given that can take only values 1, 2, 3 and 4. The…

Q: The amount of time spouses shop for anniversary cards can be modeled by an exponential distribution…

A:

Q: During the 2013 regular NBA season, DeAndre Jordan of the Los Angeles Clippers had the highest field…

A: Formula :  Binomial distribution is given by

Q: A statistically minded fraternity junior keeps records on how many girls he has to ask before one…

A: Introduction: Denote Xi as the number of girls the fraternity junior has to ask before one agrees to…

Q: A writer averages 0.5 errors per page. The number of errors follow a Poisson distribution. Find the…

A: A writer averages 0.5 errors per page.The number of errors following a Poisson distribution.Let X be…

Q: The mean number of passengers arriving at a bus station during a 15 minutes period is 12. Find the…

A: Given the mean number of passengers arriving at a bus station during a 15 minutes period is 12. That…

Q: A grocery clerk can serve 20 customers per hour on average and the service time follows an…

A: We have givenλ = 20/60 = 1/3 = 0.33 per minute X ~ Exponential (λ) Since we know that Cdf of…

Q: he average number of calories in a 1.5-ounce chocolate bar is 225. Suppose that the distribution of…

A:

Q: The weights, in grams, of oranges grown in an orchard, are normally distributed with a mean of 297…

A: Normal Distribution: A continuous random variable X is said to follow Normal distribution with…

Q: The random variable x represents the number of emails a student receives on a day. Assume it has a…

A:

Q: A traveling salesman makes a sale on 60% of his calls on regular customers. He makes four sales…

A: From the provided information, Probability of success (p) = 0.60 Number of trials (n) = 4 The…

Q: The amount of time a customer spends in a convenience store can be modeled by an exponential…

A:

Q: Suppose that the life span of a certain automobile tire is normally distributed, with μ = 25, 000…

A: Let X denote the life span of a certain automobile tire.Given that X follows a normal distribution…

Q: Suppose that the average number of accidents occurring weekly on a par- ticular stretch of a highway…

A:

Q: The amount of time people spend at the gym follows a uniform distribution from 45 to 90 minutes.…

A: From the provided information, The amount of time people spend at the gym is uniformly distributed…

Q: time taken to complete an order on eBay follows a uniform distribution between 50 to 250 seconds.…

A:

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: The time students take to complete an exam follows a uniform distribution and is between 30 minutes…

A: We have to find given probability.

Q: The construction time for a bridge depends on the weather. The project is expected to take 250…

A: As given that the construction time for a bridge depends on the weather. The project is expected to…

Q: An Internet celebrity video has an average of 9,000 people watching every day. Try to calculate the…

A: In this question, we are given the average number of people watching an internet celebrity video…

Q: At a bank, there is a line of 3 people and only one cashier that serves one person at a time. The…

A: Exponential distribution : A continuous random variable x is said to be follows exponential…

Q: During the 2013 regular NBA season, DeAndre Jordan of the Los Angeles Clippers had the highest field…

A: Given,n=80p=0.613np=80×0.613=49.04>5nq=80×(1-0.613)=30.96>5np and nq are greater than 5 so ,…

Q: The amount of time spouses shop for an anniversary cards can be modeled by an exponential…

A: The probability density function of an exponential distribution is as follows:

Q: Let the probability of rainfall occurrence on any day in the month of December be 0.3. If you are…

A: Given : n = 7 p = 0.3 Let X denote the rainfall occurrence X ~ Binomial(7, 0.3) P(X = x) =…

Q: The mean number of customers arriving at a bank during a 15-minute period is 10. Find the…

A: Given info: The mean number of customers arriving at a bank during a 15-minute period is 10.

Q: The table shows the​ distribution, by age and​ gender, of the 29.0 million people in a certain…

A: Data about 29.0 million Americans living alone is shown in the table below:

Q: driven each day by a truck driver falls between 300 and 650 and follows a uniform distribution. Find…

A: Given: Lower Distribution Limit (a)(a) = 300300 Upper Distribution Limit (b)(b) = 650650

Q: ccident in a city is 7 during half a day.. he next 24 hours?

A:

Q: The amount of time spouses shop for anniversary cards can be modeled by an exponential distribution…

A:

Q: Be a cafeteria with only one attendant. The rate of customer arrivals follows a Poisson process with…

A: Given: λ=10 and 1μ=4 Then,μ=14 per minute=604 per hour=15 per hour

Q: A driver has pumped 13 gallons of gas to his track. On average day that driver has to spend 2…

A: A driver has 13 gallons of gas in his truck. The gas usage in a day is distributed with mean 2…

Q: The random variable x represents the number of emails a student receives on a day. Assume it has a…

A: From the provided information, X follows Poisson distribution with mean (λ) = 14.3

Q: The amount of time spouses shop for anniversary cards can be modeled by an exponential distribution…

A: