A shop sells a particular make of video recorder. Assuming that the weekly demand for the video recorder is a Poisson variable with mean 3, find the probability that the shop sells at least 3 in a week. Stocks are replenished only at the beginning of each month. Express your answer in 4 decimal place value

Q: Use a significance level of 0.01 to test the claim that the mean time is different from 90 minutes.…

A: We have given that  Population mean = 90 Sample mean = 85 Population standard deviation = 7 Sample…

Q: A lathe is set to cut bars of steel into lengths of 6 centimeters. The lathe is considered to be in…

A:

Q: The number of industrial injuries per working week in a particular factory is known to follow a…

A: Given that  Mean =λ=0.5 X~Poisson (λ) Where λ is a parameter.

Q: A Student Gender Hours online/week Friends 1 male 2 female 50 L30 3 female 4 female 70 2.

A: Given: The data given is as below Hours online/week Friends 4 90 2 50 2 30 5 70 5 70…

Q: Your Health Insurance Company Charges a Premium of $2,000 above the Actuarially Fair Premium…

A: GivenThe probability of staying healthy =710=0.7The probability of getting Sick =310=0.3 The income…

Q: Given the following two models, log C = ß1 + BzlogGD; + û¡ and logG = B1 + BzlogGl; + û use…

A:

Q: Test a claim that the mean amount of lead in the air in U.S. cities is less than 0.036 microgram per…

A: Given that  Sample size n =54 Sample mean =0.039 Standard deviation =0.068 NOTE:- According to…

Q: The accompanying table shows the earnings per share (in dollars) and the dividends per share (in…

A: The independent variable is Earnings per share. The dependent variable is Dividends per share. We…

Q: D5) The annual term structure of interest is (6%, 6.3%, 6.7%, 7%, ... ) and the 3-year deferred…

A:

Q: Solve the given problem. Show solutions if solved manually or show the Excel computation results.…

A: Medical cost amount spent for alcohol weight Age 2100 200 185 50 2378 250 200 42 1657 100 175…

Q: Suppose X is binomially distributed with E[X]=120 and Var(X)=48. (Choose The correct answer) Then…

A:

Q: The number of patrol officers needed on staff depends on the crime rate of the county, which is…

A:

Q: The amount of trash generated by US households (in lbs per day) is normally distributed. You take a…

A: Sample size is n=9, sample standard deviation is 4.736 and mean is 10.91. The critical value is…

Q: nsider the summary of a survey conducted by a mai tection policies among residents of two regions of…

A: GIven, Observed frequency (fo) Table" By applying the chi-square test of independence, The null and…

Q: A statistics instructor would like to know whether it is worthwhile to require students to do weekly…

A:

Q: A survey asks 2000 ​workers, "Has the economy forced you to reduce the amount of vacation you plan…

A: We have given that p = 45% = 0.45 n = 10

Q: At a local food processing plant, it used to take an average of 90 minutes for new workers to learn…

A:

Q: I am interested in knowing if the type of lighting in a classroom makes a difference on how well a…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: 1. The data below shown are the record of 45 lamb weight for Pak Mat Western catering food supplier…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: PROBLEM SOLVING: Find the area corresponds to given value of z. 1. Z = 2.74 2. Z = 2.88 3. Z = 3.02

A: Given that  Z follows standard normal distribution with mean zero and standard deviation one  Note:…

Q: Please use trend regression to foreca

A: Given information, Week Passenger kilomers 1 17 2 21 3 19 4 23 5 18 6 16 7 20 8…

Q: QUESTION 30 Using basic demographic information (age, household income, marital status, etc.), you…

A: Given that,  a random sample size 184 customers who accepted a special balance transfer offer from a…

Q: Find the​ mean, variance, and standard deviation of the probability distribution. ​(b) Interpret the…

A: Given that  Probability mass function of X is  x 1 2 3 4 5 P(X=x) 0.409 0.269 0.214 0.099 0.009

Q: omen's shoe sizes are (approximately) normally distributed, with an average size of 8.076 and a…

A: Given data,Mean μ=8.076sd    σ=1.468If n=10P(6<X<9)=?

Q: Table 1 Average Hourly-Wage and Quit Rate Data Firm Average Hourly-Wage Quit Rate % A 3 43 B 4 36 35…

A: From the above plot we fit a linear regression model for the given data set.  Where y is a dependent…

Q: 24. Light bulbs, having a mean life of 2400 hours and standard deviation of 63 hours, are used for a…

A:

Q: Bariatric surgery, or weight-loss surgery, includes a variety of procedures performed on people who…

A: Given information:   Type of Complication   Non Life Threatening Serious None Total Gastric…

Q: mean = 600 standard deviation: 10   If the sample size is n=9​, what is the standard deviation of…

A: Given mean°600, standard deviations=10, n=9

Q: A sample of 20 bags of mulch had a mean weight of 52 pounds with a standard deviation of 3.8 pounds.…

A: Given that  Sample Mean \bar XXˉ = 5050 Sample Standard Deviation (s)(s) = 3.83.8 Sample Size…

Q: Please choose the statement that is false about random number generation: O In random number…

A: In the random number generation using a linear congruent generator ,you need to have the length of…

Q: sing games won as the explanatory variable x, do the following: The equation of the least squares…

A:

Q: Example: Weight Watchers When 40 people used the Weight Watchers diet for one year, their mean…

A:

Q: What is the minimum number resolution IV? (

A:

Q: A small p-value indicates which of the following? I: the paramtert value indicated by the null…

A:

Q: 12. You are provided the monthly returns data for an investment fund and its benchmark for the last…

A: *Answer:

Q: QUESTION 6 As the Operation manager at Giant Wholesale, you want to improve the inventory for the…

A:

Q: The following are the test scores obtained by 40 employees in a Satisfactory Assessment of a certain…

A:

Q: ntil death occurs. Each pigs, and the total dosage required for death of each oses are considered…

A: Guinea Pigs are infused with a drug A, B ,C and D These drugs are given for 10 guinea pigs randomly…

Q: If X is a random variable with the probability density function: f (x) = c|x|, for - 1 < x < 1 and 0…

A:

Q: Which of the following would be an appropriate null hypothesis? The sample mean is greater than 3.4…

A: The Null and alternative hypothesis is denoted as H0 and Ha.

Q: B F rch company tests the effectiveness of three new flavorings for a new sauce using a sar vor 1,…

A: Given,

Q: Questions: On most days, how much weight did she lose? She wants to easily analyze her data, help…

A: Given Information:-   Days Day Final weight Week 1 Monday Day 1 86.7   Tuesday Day 2 86.7…

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A:

Q: Test the claim that the proportion of men who own cats is smaller than 40% at the .10 significance…

A: The random variable who own cats follows normal distribution. We have to test whether the proportion…

Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no…

A: Solution

Q: Pr(X%3х аnd Y-у), Pr(X = x|Y = y) = Pr(X=x)

A: We have given that the discrete conditional distribution formula.

Q: In an experiment an analyst has observed that SSxy equals 212.35, SSx equals 237.16 and SSy =…

A: Given values: SSXY=-212.35 SSX=237.16 SSY=858.49

Q: which of the following sample data: sample size= 100 sample mean= 340z/hr sample variance= 90z/…

A:

Q: Your population is comprised of 1,000,000 potential customers. Your marketing department has…

A:

Q: The table summarizes results from pedestrian deaths that were caused by automobile accidents. Driver…

A: