The following data represent the number of Shrimp Feast meals sold per day at a local seafood restaurant and ther corresponding selling price. Management realizes that the demand fluctuates based upon the price.

Q: Week Sales (1,000s of gallons) 1 17 2 22 3 19 4 24 5 19 6 16 7 21 8 19 9 22 10 21 11 16 12 23

A: To calculate the four week moving average forecast, we will take the average of the sales for the…

Q: The numbers of words defined on randomly selected pages from a dictionary are shown below. Find the…

A: We have given data are  39,40,48,38,75,45,68,47,67,70

Q: that 67 write with their left hands and 433 do not. Use a 0.05 significance level to test the claim…

A:

Q: To test whether the mean time needed to mix a batch of material is the same for machines produced by…

A: Manufacturer 1 2 3 20 29 15 26 27 14 24 32 18 22 28 17

Q: A sales manager for a large department store believes that customer spending per visit with a sale…

A: Level of significance ɑ=0.01, df=419

Q: Find the mean for the given data set, 25,36,59,47,46

A: Answer: Given data set is, 25,36,59,47,46 Sample size (n) = 5

Q: Identify the test statistic. |t= (Round to two decimal places as needed.) Identify the P-value.…

A: According to the given information in this question We need to apply paired t test

Q: If X is a uniformly distributed random varibale with a=2 and b=6, then Calculate the standard…

A: Answer: From the given data, X follows Uniform distribution with a = 2 and b = 6 We have to…

Q: a)Richfield offers 15 different courses in its curriculum. SABC has agreed to advertise on TV but…

A: NOTE-  AS PER POLICY I  HAVE CALCULATED FIRST MAIN QUESTION ONLY  Here Given  Total No of course =…

Q: A study was done using a treatment group and a placebo group. The results are shown in the table.…

A: According to the given information in this question We need to find conclusion and also find the 95%…

Q: rst, one of the two sex chromosomes is chosen with equal probak ch X chromosome that is chosen, the…

A: Let's analyze the probabilities of a child being affected by muscular dystrophy based on their sex…

Q: A random sample of 100 people was taken. Eighty of the people in the sample favored Candidate A. We…

A: From the provided information, Sample size (n) = 100 Eighty of the people in the sample favored…

Q: USE SALT The method of tree-ring dating gave the following years A.D. for an archaeological…

A: Answer  Given  1236,1229,1285,1229,1250,1264,1313,1250 sample size [n]=8 Confidence interval = 93%…

Q: Construct one table that includes relative frequencies based on the frequency distributions shown…

A: Here, we have given some data, then we have to calculate relative frequency for both type of data…

Q: An online retailer has a new website and would like to compare the proportion of customers who made…

A: Objective of this question is that fill the blanks from above information given

Q: You may need to use the appropriate appendix table or technology to answer this question. Consider…

A: It is given that the null and alternative hypotheses are: H0: µ=15 H1: µ≠15 The sample mean is 14.11…

Q: Find the mean for the given data set 34,56,48,58,12,39,27,49,33,36

A: 34,56,48,58,12,39,27,49,33,36

Q: 95% confidence interval of a population proportion is (0.76,0.89) What is the margin of error?…

A:

Q: pe your answer... ype your answer..... :(type your answer... type your answer.....

A:

Q: Assume that x has a normal distribution, with the specified mean and standard deviation. Find the…

A:

Q: Find the value of the standard score, z, and determine whether to reject the null hypothesis at a…

A: α = 0.05H0 : μ = 19.5Ha : μ > 19.5n = 121x¯ = 20.3σ = 3

Q: The durations (minutes) of 26 electric power outages in the community of Sonando Heights over the…

A: Given observations are: 39,48,22,68,24,15,52,13,49,1,13,43,41,99,31,19,13,52,20,3,17,26,92,24,15,20…

Q: 3. The Lévy distribution with parameter 0 > 0 is characterized by having the density f(x; 0) = -…

A: a) The likelihood function for a random sample x1,…,xn from the Lévy distribution with parameter θ…

Q: 2. A X bar uses a subgroup of size four. The center line is at 110, and the upper and lower…

A: a) For an X¯ chart, the control limits are calculated as:  Upper Control Limit (UCL) =X¯+3σn  Center…

Q: Using standard normal table or excel function find the given probability, P(Z>0.68) Round to four…

A: Answer: From the given data, P(Z>0.68) is,

Q: How much does the risk increase for each year of age advance?

A: The estimated regression equation is  ŷ = -91.8 + 1.077x1 + 0.252x2 + 8.739x3. where x1 represents…

Q: Listed below are the amounts (dollars) it costs for marriage proposal packages at different baseball…

A: Data : 35,45,45,60,65,80,95,105,180,208,265,325,450,1500,2500

Q: Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean…

A: Given that  The steel bolts have diameter of 139 mm and standard deviation of 8 mm Mean (μ) = 139  ;…

Q: Where did you get the 9.408 from? Is it not supposed to be 0.408

A: Yes it is wrong calculation there supposed to be 0.408 instead of 9.408  i am solving it correctly…

Q: Test the above hypothesis is a random sample of 250 users has 210 successes. Solution: [Write…

A: As per policy I have calculated first question plz REPOST with note I need this question.  Null and…

Q: Suppose that X is a normally distributed with a mean 39 and standard deviation 18 find the given…

A: Answer: From the given data, mean (μ) = 39 Standard deviation(σ) = 18 X follows normal…

Q: A sample of 54 research cotton samples resulted in a sample average percentage elongation of 8.14…

A: n=54, sample mean X̄=8.14, s=sample standard deviations=1.47, level of significance ɑ=0.05

Q: In a random sample of 52 students at a university, 37 students (71.2% or 0.712 of the sample) say…

A: We have values are Sample size n = 52 students  Sample proportion p^=0.712

Q: Find the mean for the given data set, 34,56,79,64,38

A: Answer: From the given data, 34,56,79,64,38 Sample size(n) = 5

Q: Television viewing reached a new high when the global information and measurement company reported a…

A: Answer: From the given data, Mean (μ) = 7.56 Standard deviation(σ) = 2.8 X follows normal…

Q: What is the conclusion based on the hypothesis test? The P-value greater than////or ////not in the…

A: Hello, thank you for posting your question. It seems that you have posted a question with multiple…

Q: A washing machine in a laundromat breaks down an average of Four times per month. Using the Poisson…

A:

Q: Consider the time series below. Complete parts a through e below. Period 3 4 Demand 10 16 1 14 2 11…

A: The data for the demand and period of a time series is given and α=0.1.

Q: Assuming the pmf is a valid one, what is the value of –, the missing value? b. What is the expected…

A: As PER POLICY I HAVE CALCULATED FIRST 3 SUBPARTS PLZ REPOST FOR REMAINING PARTS WITH NOTE I NEED…

Q: 11. и z = -0.84 z = 1.28

A: According to the given information, we have Z = -0.84 and Z = 1.28

Q: What is the probability of randomly selecting 1 woman with a height less than 65.1 inches? (Round to…

A: The height of women ages 20-29 is normally distributed, with a mean of 64 4 inches. population…

Q: A golf association requires that golf balls have a diameter that is 1.68 inches. To determine if…

A: Claim: The mean diameter of golf balls is 1.68 inches. The null and alternative hypotheses are:…

Q: Coefficients: Estimate Std. Error t value Pr(>|t|) Intercept) -27.2412 3.7802 -7.206 1.74e-05 Length…

A: Researchers collected information on several species of fish in a Finnish lake. Two of the variables…

Q: If X is a uniformly distributed random variable with a=5 and b=9,then Calculate the standard…

A: Answer: From the given data, If X is a uniformly distributed random variable with a=5 and b=9 , X…

Q: Determine critical values of the t-distribution with 10 degrees of freedom at the .025 and 1-.025…

A: Df = 10 p = 0.025 p = 1 - 0.025 1 means p less than 0.01

Q: Shoe Survey Test whether women have, on average, more pairs of shoes than men. Include all forms of…

A: The data for the pairs of shoes for men and women are given.

Q: The manager of a grocery store has taken a random sample of 100 customers. The average length of…

A: According to the given information in this question We need to answer three subparts

Q: A hypothetical study concerned with estimating the 187 amount of marijuana use per year among a…

A: From the provided information, Sample size (n) = 110 Sample mean (x̄) = 5.3 Sample standard…

Q: 5 0.0062 4 0.0082 0.0080 0.0060 0.0059 0.0057 0.0078 0.0075 0.0102 0.0099 0.0132 0.0129 3 0.0107…

A: Ho: p=0.8 Vs H1: p>0.8 n=250, X=220

Q: Which of the following statements are true?  There may be more than one correct statement; check all…

A: here output from R , for Pearson chi squared test is as following. χ2= 0.35453, df = 3, p-value =…