What distribution did we cover which would be appropriate for use here? What is the expected number of emails the company receives in an hour? What is the standard deviation?  b. What is the probability that the company receives exactly 100 emails in an hour?

Q: The probability that a person catches a cold during the cold and flu season is 0.4. Assume that 10…

A: According to the given information, we have Probability, p = 0.4 Sample size, n = 10

Q: A study indicates that 18- to 24-year olds spend a mean of 145 minutes watching video on their…

A: given data normal distributionμ = 145 minutesσ = 20 minutes

Q: he average price of shares of companies that belong to the S & P500 is $ 30 and the standard…

A: Given data, Mean=30 sd=8.20

Q: and a standard deviation of 1.3 degrees Celsius.

A: Let X denotes the average noontime temperature (in degree Celsius) in a certain location. Given that…

Q: The weekly salaries of 5,000 employees of a large corporation assumed to be normally distributed…

A: P(480<X<530)=?

Q: An electrical firm manufactures light bulbs that have a life, before burn-out, that is normally…

A:

Q: 1. Find the expected number of heads when three Coins are tossed based on the probability…

A: Given that  Three coin are tossed based on probability distribution.  Sample space. 0 , 1 , 2 , 3…

Q: The average student loan debt for college graduates is $25,000. Suppose that that distribution is…

A:

Q: The probability a child is born with Down Syndrome when the birth mother is 40 years old is 0.01.…

A: The relative frequency of a particular class or observation can be obtained by dividing the…

Q: A sociologist randomly selects single adults for different groups of three, and the random variable…

A:

Q: According to a survey, high school girls average 100 text messages daily. Assume the population…

A: For any query with the solution, please ask in the comment box.

Q: The average amount of students who ride the bus each year and Wilton Iowa is 60 students. The…

A: Given,   Mean = 60 Standard deviation = 5   The objective is to find the required probabilities.

Q: Let be the number of TV owned by a randomly selected household with annual income between $55,000…

A: XP(x)x*P(x)X2*P(x)00.0010.0000.00010.2200.2200.22020.3390.6781.35630.2790.8372.51140.150.6002.40050.…

Q: The average number of mice in a 5-acre rice field is estimated to be 80. Find the probability that a…

A: Given that  The average number of mice in a 5-acre rice field is estimated to be 80. Find the…

Q: The weight of luggage carried onto a plane by passengers is normally distributed with a mean of 30…

A: Let X be the The weight of luggage carried onto a plane by passengers Mean=30, standard deviations…

Q: Suppose that the commuting time on a particular train is uniformly distributed between 50 and 70…

A: (D) Let X denotes the commuting time on a particular train and it follows uniform distribution on…

Q: The average age of the company’s presidents is 60 years old. Assume the variable is normally…

A: Given data :  μ=60σ=5

Q: The average time a person spends at the Barefoot Landing Seaquarium is 94 minutes. The standard…

A: We have given that.   X~N( μ , ?^2 )   μ=94 , ?=18   Z-score =( x - μ )/?

Q: Consider a binomial distribution. About 35% of all college students are currently enrolled in an…

A: Given : Probability of success = p = 0.35 Number of sample = n = 25

Q: 80% of beans seeds sprout. Three seeds were planted. Find the distribution of the variable X number…

A: Given : n = 3 P = 0.80 q = 1 - p     = 1 - 0.80 = 0.20

Q: A company manufactures Samsung electronics. The mean resistance for these electronics is 1000 ohms…

A: We have yo find the probability that the mean resistance of these 50 electronics will be 1005 ohms…

Q: school conducted an IQ test to 32 randomly selected students. The standard deviation in the same…

A:

Q: uppose that the heights of female adults in the United States are normally distributed with a mean…

A: Solution-: Given: μ=65.4inches,σ=2.8inches We obtained the following: (a) P(X is between 66 and 70…

Q: A popular art museum in Izmir can accept 1,200 visitors a day. If this amount of traffic is…

A: We have given that  We want to use exponential distribution.  Mean = β Where  λ  = 1/β

Q: The average stock price for companies making up the DAX in Germany is $40, and the standard…

A: Mean()=40standard deviation()=4

Q: The average student loan debt for college graduates is $25,750. Suppose that that distribution is…

A: Given Average= 25750, standard deviations=14500

Q: The lengths of pregnancies are normally distributed with a mean of 266 days and a standard deviation…

A: A z-score represents the position of a data point in terms of its distance from the mean when…

Q: Five hundred youths participated in a national sport competition. Their heights averaged 110cm with…

A: Given that

Q: 3. A student's chances of being accepted to Harvard are about 5%. What is the probability that only…

A: One of the significant distributions under discrete probability distribution is the binomial…

Q: 50 part-time students were asked how many courses they were taking this term. The (incomplete)…

A: Hi, we are supposed to answer three subparts at a time. Therefore, I am answering the first three…

Q: On average, TV crash after 17,000 hours of continuous use. Although the time for the TV to crash is…

A: Given problem Given that   On average, TV crash after 17,000 hours of continuous use. Although the…

Q: probability of a certain number of people not showing up to work. How many absences do we expect…

A: Given, Absences Odds(%) 0 25 1 25 2 20 3 15 4 10 5 5

Q: Suppose that the commuting time on a particular train is uniformly distributed between 41 and 61…

A: Here the given information is ,Suppose that the commuting time on a particular train is uniformly…

Q: The mean height of women in a country (ages 20 of 55 women in this age group is selected. What is…

A: Given : Mean (µ)=63.9 Standard deviation (σ)=25.2 Sample size (n)=55

Q: The average student loan debt for college graduates is $25,600. Suppose that that distribution is…

A:

Q: A. A scales representative who visits customers at home Finds she sells according to the following…

A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3…