Bob Nale is the owner of Nale's Quick Fill. Bob would like to estimate the mean number of gallons of gasoline sold to his customers. Assume the number of gallons sold follows the normal distribution with a population standard deviation of 2.50 gallons. From his records, he selects a random sample of 55 sales and finds the mean number of gallons sold is 6.30. a. What is the point estimate of the population mean? (Round your answer to 2 decimal places.) Point estimate b. Develop a 99% confidence interval for the population mean. (Use z Distribution Table) (Round your answers to 2 decimal places.)

Q: How many ways can you make a team of 4 from a roster of 8 players. discrete math

A:

Q: 9 children are to be seated on a bench. How many ways can the children be seated and ordered on the…

A:

Q: 6. i,How many permutations are required to be sure of predicting the outcome of tossing a six sided…

A: Given that, How many permutations are required to be sure of predicting the outcome of tossing a six…

Q: How many arrangements begin with the letter M from math power

A: The total number of letters in MATHPOWER is 9 letters.  It is given that the first letter has to be…

Q: How many ways can an IRS auditor select 3 of 8 tax returns for an audit?

A:

Q: serond order Partiok derivatives )F (xy ) = X COS (Y) + Lc°

A: For second order partial derivative we first calculate the 1st order partial derivative.

Q: Mr. Walker rolls a 6-sided number cube and then flips a coin. How many outcomes are in this sample…

A: Sample space of an experiment is the set of all possible outcomes of that experiment.

Q: Consider the contingency table below.. Find the degrees of freedom needed for a test of…

A: The number of row =r=2 The number of column =c =2

Q: 12 samples of different pastries are on display as customers leave a bakery, they are told that they…

A: Given Data: The number of different pastries in the display is: n=12 The number of choices is…

Q: canonial/nmal merma

A:

Q: 1 ; -5 ; 2 ; -6; 3; -7 What is the pattern discription

A: Given query is to find the pattern discretion.

Q: A deli offers 7 different toppings. How many different choices of 5 toppings are there

A: Given that, A deli offers 7 different toppings.

Q: The trifecta at most racetracks consists of selecting the​ first-, second-, and​ third-place…

A: There are total 9 entries.The trifecta consists of selecting the​ first, second, and​ third-place…

Q: What happens to most farm waste? A: It is thrown away B: It is eaten C: It is burned

A: C. It is burned

Q: Redistricting and House Elections The 2010 census led to the loss of two house seats in New York and…

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

Q: In how many ways can first, second, and third prizes be awarded in a contest with 860 contestants?…

A:

Q: Determine the population of interest. Select the correct choice below and, if necessary, fill in the…

A: We have the following  statement about the  marketing  agency.

Q: S Vsinxcosxdx

A: Since you have asked multiple questions in a single request, we will be answering only the 1st…

Q: Express the original claiming symbolic form claim 60% of homes have smoke detectors?

A: Express the original claim in symbolic form.Claim: 60% of homes have smoke detectors. In symbolic…

Q: Evadeuate Scosnydy

A: The formula for the substitution method of the definite integral is given by…

Q: Eligibility A university requires its biology majors totake a course called BioResearch. The…

A: a. A university requires its biology majors to take a course called Bioresearch. There is about 52%…

Q: How many different words (including nonsense words) can you make by rearranging the letters of the…

A:

Q: Fifteen members of a group of eighteen are to be selected to a team. How many ways are there to…

A: Solution

Q: Inductive reasoning is the process?

A: Concept: Reasoning is of two types 1) inductive Reasoning 2)deductive Reasoning

Q: A survey was given to a group of people camping at a state park. They were asked if they used the…

A: Let A be the set of people who used hiking trails.  B be the set of people who used biking trails.…

Q: Lottery numbers The fairness of the South African lot-tery was recently challenged by one of the…

A:

Q: PARENTAL How many students play basketball, but DO NOT play soccer? * ADVISORY EXPLICIT CONTENT…

A: First, we complete the table

Q: . A statistics class is made up of 13 men and 26 women. What percentage of the class is​ male? b. A…

A: a) The number of men is 13 and the number of women is 26.

Q: How many elements or sample points are there if you flip a coin 5 times? Answer is Blank 1

A: How many elements or sample points are there if you flip a coin 5 times

Q: The table shows the test results of 6 students in DFS Mathematics. Draw a bar chart for the table.…

A:

Q: Fill in the blank: The count of all the objects, people, or things in the entire population

A: We have to determine the term used for the count of all the objects, people, or things in the entire…

Q: How many poker “hands” are there of the form:         ?

A: Given problem Given that

Q: COUNTING TECHNIQUES 1) If a minor league team has 15 registered players, how many ways are there to…

A: According to the given information in this question We need to find how many ways are there to…

Q: What amoun

A: The given rate of interest is 6% per annum. The time period is t=3 years. The simple interest earned…

Q: Drawing a red card ( heart or diamond ) from a standard deck  of cards

A: Given, Drawing a red card ( heart or diamond ) from a standard deck  of cards Probability:…

Q: West Bengal, Tamil Nadu, Gujarat, Haryana male and female population from2018 till2023​

A: West Bengal2018: The population was approximately 97.7 million, with a male-to-female ratio of…

Q: Suppose a dice is thrown and a coin is then tossed. How many different outcomes are there if the…

A: Fundamental counting principle: If an event can occur in m ways and an other independent even can…

Q: The 2010 census led to the loss of two house seats in New York and Ohio, the loss f one House seat…

A:

Q: Develop three categorical questions for the survey.c. Develop three numerical questions for the…

A: Following are the three categorical questions:

Q: Selecting classroom officers for president, vice president, treasurer. Combination Permutation

A: We use permutation when order of selection matters and combination when order of selection doesn't…