mathematic tutoring center at a drop-in mathematics tutoring center each teacher sees 4 to 8 students per hour . the probability that a tutor sees 4 students in an hour is 0.117;5 students 0.123;6 students 0.295 and student,0.328 a what is the probability of seeing 8 students? b what is the probability of seeing less than 7 students? c what is the expected number of students? d what is the standard deviation in the number of students?

Q: Consider a probability histogram for the number of times I win if I bet $5 on even numbers in…

A: Given a probability histogram for the number of times winning if a person bet $5 on even numbers in…

Q: A radio station 10 song requests per day. Determine the probability that it receives 18 song…

A: Let X be the number of song requests in a week which follows Poisson distribution with a mean 10…

Q: The Probability Distribution describes Select one: a. Most of the values that can be obtained by the…

A: According to the given information, we haveThe probability distribution is given.

Q: Imgaginw that the daily intake follows a uniform distribution from 40 to 65 degrees. What is the…

A:

Q: Determine whether the random variable x is discrete or continuous. Explain. Let x represent the…

A: Discrete random variable: The random variable that takes the finite number of possible values or…

Q: randomly selected arranged in groups of Dom var llege students in the group who say that they take…

A: We are going to find mean and standard deviation of the probability distribution

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: Pls help ASAP.

A: Given that a professional archer claims to hit his target 4 out of 5 times. Then the probability…

Q: Find the mean of the given probability distribution. The probabilities that a batch of 4 computers…

A: From the given information we have to find the mean of the probability distribution .Using formula,

Q: Information from the American Institute of Insurance Indicates the mean amount of life insurance per…

A: It is given that the distribution follows the normal distribution.The mean is The sample size is The…

Q: Assume that​ 15% of students at a university wear contact lenses. We randomly pick 200 students.…

A: Given,Population,proportion,,Number of sample,,Using formula,,Z-score =

Q: The final exam grade distribution for all students in the introductory statistics class at a local…

A: The formula to find the mean of the distribution is, EX=∑X·Px

Q: Calculate the mean, variance, and standard deviation for the probability distribution. ​Baseball​…

A:

Q: TH 0 1 2 P(Z) 0.2 0.05 0.2 0.55 a. Find the expected value of the probability distribution. Round to…

A: The probability density function of X is given as:xP(X=x)00.210.0520.230.55

Q: The probability they are Female AND got Over a 3.0?  _____________ use 4 decimals   The…

A: Solution: The tabular information given in the question is:   Over 3.0  2.0 - 3.0  Under 2.0…

Q: e the table to the​ right, which shows the age distribution of those who earned less than minimum…

A: AgeWorking Below Minimum Wage​ (thousands)​16-19326​20-24437​25-34324​35-44159​45-54126​55-644965…

Q: Interpret the mean. Select the correct choice below and fill in the answer box to complete your…

A: Data is given for  y and its corresponding probability We have to calculate mean and standard…

Q: thank u

A:

Q: The probability distribution for the number of sales for a salesman each day is given below. What is…

A: According to the given information in this question We need to find the expected value

Q: The probability is 0.45 that a traffic fatality involves an intoxicated or​ alcohol-impaired driver…

A:

Q: An experiment tested a tree fertilizer on a large number of elm and oak trees to see whether it…

A: Given that   Positive  Negative  Total Oak 73 45 118 Elm 102 27 129 Total 175 72 247

Q: Interpret the mean. Select the correct choice below and fill in the answer box to complete your…

A: It is given that Mean of the random variable = 2.319

Q: 4.21 The probability of an electronic sensor malfunctioning is known to be 0.10. A random sample of…

A: The following information has been given: n=12p=0.10 The binomial probability distribution formula…

Q: Do you tailgate the car in front of you? About 30% of all drivers will tailgate before passing,…

A: Given information:The size of the passed-by vehicles is n = 8. It is said that it is a random…

Q: The random variable x represents the number of cars per household in a town of 1000 households. Find…

A: cars (x) 0 1 2 3 4 households P(X) 0.135 0.418 0.242 0.122 0.083

Q: 2 dice are rolled and the discrete variable x counts the number of 3's that appear. Plot the…

A:

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

A: Given Total number of order is 1130

Q: What effect does increasing the sample size have on the​ probability? Provide an explanation for…

A: Probability = favorable/total

Q: An um contains 2 red balls and 6 white balls. A sample of 2 balls is slected at random and the…

A: Given Information: There are 2 red balls and 6 white balls. Two balls are selected at random and the…