Benny's Barber Shop in Cleveland has five chairs for waiting customers. The number of customers waiting is a random variable Y with the following probability distribution. 1 3 4 5 ... y P(Y = y) 0.424 0.161 0.134 0.111 0.093 0.077 a. Find the mean. (Answer in 3 decimal places.) Answer: Blank 1 b. Find the standard deviation. (Answer in 3 decimal places.) Answer: Blank 2 Blank 1 Add your answer Blank 2 Add your answer

Q: NORMAL DISTRIBUTION Find P(z≤ 1.05)

A: Given NORMAL DISTRIBUTION Find P(z≤ 1.05)  

Q: 6. In an effort to reduce costs, a popular fast-food restaurant is trending to have its automatic pr...

A: A random variable X~U(2.76 , 5.4)f(x)=15.4-2.76f(x)=12.64  ;  2.76<X<5.4

Q: X has an exponential distribution with λ=2. Calculate the following The value of x such that P(X<x...

A:

Q: 12. A coin is tossed 960 times and head tuned up 183 times. Is the coin biased? %3D

A:

Q: Draw the histogram for the 50 students in a class whose heights (in cms) are given below Height 111 ...

A:

Q: A medical laboratory tested 8 samples of human blood for acidity on the pH​ scale, with the results ...

A: Let X be a medical laboratory tested samples of human blood for acidity on the pH scale. There are 8...

Q: In Chapter 15. we discuss three important concepts that will serve as a guide for the rest of the co...

A:

Q: Theorem 17-2. Let {T„} be a sequence of estimators such that for all 0 e 0, and (ii) Vare (Tµ) →0, a...

A:

Q: Suppose X ~ BIN (100, 0.2). Identify the correct continuity correction for finding P (X > 45). 1– ¢ ...

A:

Q: Consider a random sample of 300 students in a university, 75 of them declared that they like playing...

A: Given,sample size(n)=300no.of players would like to play football(X)=75

Q: Given that the data are matched and considering the units of the data , does it make sense to use th...

A: Given that the data are matched and considering the units of the data , does it make sense to use th...

Q: Find the area under the normal curve using the information below: Mean: 2.78 Sd: 45 Your score: 4. F...

A: We have given that,  X be the random variable having score X = 4 from normal distribution with mean ...

Q: 1)  A random sample of size 64 is drawn from a population whose distribution, mean, and standard dev...

A:

Q: 4. The probability function of a d.a.d. X is: img. The expected value of X is E(X)= ? The varianc...

A: Given function is f(x)=2x+125  ;  x=0,1,2,3,4

Q: A simple random sample of 60 items from a population with o = 8 resulted in a sample mean of 32. (Ro...

A:

Q: 3. The average salary of bank managers in a certain city is $85,600 pesos per hour with a standard d...

A: GivenMean(μ)=85600standard devaition(σ)=22400

Q: Y = Bo + B,X + u, where B, and B, are the intercept and slope parameters, respectively. Assume that ...

A:

Q: For the foilowing data obtain (i) mean, (ii) median, (iii) mean deviation from median, and (iv) the ...

A:

Q: 1. Let Z be a random variable with a standard normal distribution. Calculate: P(Z ≤− 2.28 or Z ≥ 0....

A: We have given that,  Z be a random variable from the standard normal distribution.  Then,  P(Z ≤− 2....

Q: Construct the Venn diagram of the following sets under the universal set t and do what is asked U = ...

A: Given;universal set U={n∈Z|-3≤n≤10}={-3,-2,-1,0,1,2,3,4,5,6,7,8,9,10}and set A={n∈U|n2&lt;3}={-1,0,1...

Q: Let Y, X be independent and square-integrable random variables, and let Z = max(Y + X, 0) Show that ...

A: Consider, X and Y are independent and squared integrable. So. Z= max (Y+X, 0)    

Q: Final Grade An instructor gives four 1-hour exams and one final exam, which counts as three 1-hour e...

A: Given,a student received 61,78,96, and 88 on the 1-hour examsand 85 on the final exam.

Q: According to the graph, the percentage of families with exactly 3 children is: ? %. According to the...

A: Below the attachment

Q: where B, and B, are the intercept and slope parameters, respectively. Assume that E(u) = 0. Note tha...

A:

Q: The actual tracking weight of a stereo cartridge that is set to track at 3 g on a particular changer...

A: The actual tracking weight of s stereo cartidge that is set to track 3 g on a particular changer can...

Q: You have n urns, the rth of which contains r- 1 red balls and n-r blue balls, r=1,.. ,n. You pick an...

A:

Q: 34% of CSU students participate in the Statistics Games while they attend CSU. You take a random sam...

A:

Q: news article that you read stated that 55% of voters prefer the Democratic candidate. You think that...

A: We have given that  Sample size n =207 Favorable cases x =116 Sample proportion p^=x/n  =116/207 =0....

Q: The management of Madeira Computing is considering the introduction of a wearable electronic device ...

A:

Q: a. What is the frequency function (pmf) of X? b. Compute P(X > 10). c. Compute P( 6 ≤ X ≤ 10).

A: HERE AS PER POLICY I HAVE CALCULATED FIRST 3 SUBPART PLZ REPOST FOR REMAINING  Of all customers purc...

Q: The mean cost of a new Sport Utility Vehicle (SUV) has been found to be $42,500 with a standard devi...

A:

Q: Sketch and shade the curve, then find the area under the standard normal distribution curve. 6. Betw...

A: We have given that,  Z be the random variable from standard normal distribution.   

Q: The probability density function for continuous random variable, x, is given above. P(x P(x = 1.5) =

A: We have to find P(X = 1.5) using the probability density function of X.

Q: 2. Let Z be a random variable with a standard normal distribution. Calculate: P(Z ≥ 1.98)= ? P(Z ...

A:

Q: Consider a process consisting of a linear trend with an additive noise term consisting of independen...

A:

Q: The St. Lucian Government is interested in predicting the number of weekly riders on the public buse...

A: Given: The data given is as follows No of weekly riders Price per week Population of city Monthl...

Q: uppose you go to the grocery store and spend $92.54 for the purchase of 12 items . What is the mean ...

A: Given that  Amount spent  = $92.54 Number of items bought = 12     We know that  Mean amount = Amoun...

Q: Five hundred children participated in a field demonstration. Their heights averaged 110 cm with a st...

A:

Q: A proof reads through 73 pages manuscript The number of mistakes found on each of the pages are summ...

A:

Q: The data in the table are from two normal distributions with the same mean and unequal variances. Tr...

A:

Q: Find the range and standard deviation of the set of data.   31, 25, 25, 23, 26,

A:

Q: What is the probability that the traveler will be arrested for illegal possession of narcotics? Answ...

A: To avoid detection at customs, a traveler places 7 narcotic tablets in a bottle containing 14 simila...

Q: Parliament contains a proportion p of Labour Party members, incapable of changing their opinions abo...

A: Probability : Probability may be a discipline of arithmetic involved with numerical explanations of ...

Q: compute for the mean, variance and standard deviation.

A: Here given, Three paper bills are drawn in succession without replacement from a piggy bank. Piggy b...

Q: What does the memoryless property refer to? An event cannot occur if it has already occured within a...

A: The memoryless property (also called the forgetfulness property) means that a given probability dist...

Q: Bi-lo Appliance Super-Store has outlets in several large metropolitan areas in New England. The gene...

A: The correlation shows whether there is any association exist between two numerical variable. Using t...

Q: If X has an exponential distribution with λ=2. Calculate the following P(X≤0)=? P(X≥2)=? P(1<X<2)=...

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

Q: There are six persons in an office. A group consisting of three persons has to be formed. In how man...

A: Total person in office (n) = 6 A group consisting of three persons(r)=3 By using combination   ncr  ...

Q: .The average salary of bank managers in a certain city is $85,600 pesos per hour with a standard dev...

A:

Q: To study the hormonal regulation of a metabolic line, albino rats are injected with a drug that inhi...

A: From the provided information, 8 out of 35 rats die from the drug before the experiment is over, so ...