Let X be the amount of time (in hours) the wait is to get a table at a restaurant. Suppose the cdf is represented by x < 0 F(x) = 16 1 0 4 Use the cdf to determine E[X]. а) О 2.67 b) O 5.33 c) O 1.00 d) O 3.00 e) О 1.50 f) O None of the above

Q: Use the z-score formula, z=x−μ/σ , and the information below to find the value of σ. Round your…

A: Ans- Find the value of σ.      Given  z=−1.90, x=14.12, and μ=19.44

Q: A mayor says that at least 63% of the workers in the city commute to work. In a random sample of 50…

A: Solution:- from given information claim:at least 63% of the workers in the city commute to work…

Q: What's the value of cell A? 24 48 72 96

A:

Q: The third worksheet labeled sample B is a simple random sample with replacement, with seven…

A: It is given that the population standard deviation is 4.

Q: The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally…

A: As per company guidelines I solved exactly three subparts of the question

Q: What term describes the following data? Score 1 2 3 4 Frequency 12 8 2 1 right-skewed b. left-skewed…

A:

Q: Age(x) 8 15 22 27 34 40 Sleep (y) 8 8 7 7 6.

A: The given table is x y 8 8 15 8 22 7 27 7 34 5 40 6

Q: Question 3 Lot size N-20,000, AQL = 1.5% Normal Tightened Reduced N (Sample Size) Ac Re

A:

Q: Question 19 A lawyer claims that women are pald less than men for the same work. In a random sample…

A:

Q: The time to fly between New York City and Chicago is uniformly distributed with a minimum of 120…

A: Given,A random variable X~U(120 , 150)f(x)=1150-120f(x)=130   ;   120≤X≤150

Q: 3. The p-value for a right tailed test is 0.042. wWhich of the following statements is NOT TRUE? *…

A: 3. The p-value for a right tailed test is 0.042. Which of the following statements is NOT TRUE? A.…

Q: In a random consumer survey, randomly selected drivers of Porsche, Mercedes, and BMW were asked to…

A: Solution:- from given information Null hypothesis H0: There is no difference among Porsche,…

Q: Suppose you roll a special 40-sided die. What is the probability that the number rolled is a "1" OR…

A: Given that  Roll a special 40 sided die  Sample space=S S=(1,2,3,____,38,39,40) n(S)=40 A=(1,2)…

Q: After the premiere of the new comedy Bumblebee, moviegoers were asked in a quick poll whether they…

A: For the given select the correct choice and fill in the missing  % values

Q: 18. One of the major ideas in this class was the Law of Large Numbers. Briefly explain what this law…

A: Law of large numbers: In statistics, the law of large number states that if a random experiment is…

Q: If car purchase and weather on test drive were independent events, what would be the expected number…

A:

Q: Question 5 Points 2 Answered On: 04/28 At 10% level of significance, the critical value(s) of z to…

A:

Q: Let p be the population proportion for the following condition. Find the point estimates for p and…

A: Given X=370 n=1711

Q: In a survey of 2289 adults in a recent year, 1217 say they have made a New Year's resolution.…

A: Solution-: Given: n=2289, X=1217 We want to find, (a) The 90% C.I. for the population proportion p…

Q: Decide which of the following statements are True.  A.For any normal distribution, the mean,…

A: Normal distribution are symmetric about mean.

Q: Example 16.5 following frequency distribution: Family income and its percentage spent on food in the…

A:

Q: one city, 79.6% of the 8500 students surveyed said they eat at the school cafeteria. Find the 95%…

A: Given n=8500

Q: 3. The student council at a local high Simple Random Sample school is collecting data to determine…

A: It is needed to selected the proper sampling method.

Q: A telephone poll of 818 adult Americans was reported in an issue of Time Magazine. One of the…

A: Given P=0.39 Alpha=0.07

Q: (a) Determine the sample space of the experiment. That is, list all possible simple random samples…

A: HERE use given information  and basic probability and sample space

Q: Based on the data shown below, calculate the regression line (each value to at least two decimal…

A:

Q: Listed below are the numbers of cricket chirps in 1 minute and the corresponding temperatures in °F.…

A:

Q: 4.5-1 Let X and Y have a bivariate normal distribution with parameters u= - 3, u,=10, o?=25, o=9,…

A:

Q: What is the probability of winning a “straight” bet by matching the three digits in the exact order?…

A: *Answer:

Q: The following are the number of hours traveled by a senior high school student to go to school every…

A:

Q: This q Use a t-test to test the claim about the population mean u at the given level of significance…

A: As per company guidelines I solved exactly three subparts of the question.thank you .

Q: L12Q2.The average scores of students in the final exam in two neighboring colleges are equal. If a…

A: Testing of hypothesis is a rule which, when the sample values have been obtained, leads to a…

Q: Question 6 Points 1 Compute the probability of getting face 1 when we roll a die.

A:

Q: Compute the Pearson correlation coefficient b.  Compute the coefficient of determination  c.…

A: Given data :  Given data : X Y 6 4 8 6 5 7 7 6 12 5 4 7 3 3 6 5 2 10…

Q: Q3 – The random variable x has the following discrete probability distributio: 1 3 4 p(x) 0.05 0.25…

A:

Q: Part a) What is the expected number of policies that will pay out before the insured parties have…

A: here given , A life insurance salesman operates on the premise that the probability that a man…

Q: Age(x) 8 15 22 27 34 40 Sleep (y) 8 8 7 7 5 6

A: We have given that, X :- 8, 15, 22, 27, 34, 40 Y:- 8, 8, 7, 7, 5, 6 Then,  We will find the…

Q: Which are the correct null and alternative hypotheses?

A: Test is that whether the average grade of the students is less than 90.

Q: Assume that a sample is used to estimate a population proportion p. Find the 99% confidence interval…

A: Given,n=322x=48sample proportion(p^)=xnsample…

Q: The following data represent the means for each treatment condition in a two factor experiment. Note…

A: Given data  The following data represent the means for each treatment condition in a two factor…

Q: in a certain lottery, there are 58 balls numbered 1 to 58. To play the game, choose six numbers from…

A: here given in certain lottery there are 58 numbered 1 to 58  choose six numbers from 1 to 58  you…

Q: The government claims the mean waste generated by adults is at most 4 pounds per day. In a random…

A:

Q: A car dealer suspects that the weather of the day of the test drive has an effect on the purchasing…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Find the critical value that corresponds to a confidence level of 95%.

A:

Q: The median mass of a collection of 8 oranges, some of which have the same mass, is 200 g. If a ninth…

A:

Q: Given the estimated linear model shown below, complete the following computations. y = 11 + 6x, +…

A: Given X1=31 X2=9 X2=23

Q: Police records show the following numbers of daily crime reports for a sample of days during the…

A:

Q: what is the sample standard deviation and the computed value of the test statistic

A: given data :…

Q: A golf ball is selected at random from a golf bag If the golf bag contains 2 green balls, 7 yellow…

A: It is given that Number of green balls = 2 Number of yellow balls = 7 Number of red balls = 11 Total…

Q: Perform a chi square test of the independent on the following data given alpha = 0.05 and the claim…

A: