The point is i need explanation on how to solve each question.

Q: One year ago, Lori assigned a paid-up whole life insurance policy to an Irrevocable Life Insurance…

A: Here the given information is One year ago, Lori assigned a paid-up whole life insurance policy to…

Q: Find the​ Z-scores that separate the middle 64​% of the distribution from the area in the tails of…

A: Given information- We have given that middle area of the distribution is 64%. By using the standard…

Q: t x and y denote the number of cars and buses, respectively, carried on a single trip. Cars and…

A: x p(x) x*p(x) x2*p(X) 0 0.07 0 0 1 0.11 0.11 0.11 2 0.23 0.46 0.92 3 0.27 0.81 2.43 4 0.21…

Q: 5. These are the heights of randomly selected graduating undergraduate students in cm. 160 171 171…

A: Let X denotes the height of the students. Then, the mean, variance, and standard deviation are given…

Q: The weight of frogs in grams in a marsh population are normally distributed with mean (µ) equal to…

A: Solution

Q: A study was undertaken to see how accurate food labeling for calories on food that is considered…

A:

Q: You conduct a one-way ANOVA with 3 groups and find a statistically significant result using a =…

A: For k no. of given conditions, the possible no. of distinct pairwise contrasts is: kC2. It is given…

Q: Suppose your weight is 51.23 kilograms. A scale at a health clinic gives your weight as 51.8…

A: This question presents a scenario in which a person's weight is measured using different scales,…

Q: Over roughly the past 100​ years, the mean monthly April precipitation in​ Williamstown,…

A: given data normal distributionμ = 3.6 inchesσ = 1.6 inchesfor x = 8.4 inchesZ =?

Q: A drug company is currently selling an allergy medication that gives relief to 75% of the people who…

A: The objective is to set up the appropriate hypotheses to validate if the new version of the drug is…

Q: You intend to conduct a test of homogeneity for a contingency table with 7 categories in the column…

A: We know for testing of independent of attributes we use chisquare test of independence.  For this…

Q: A doctor claims that less than 30 percent of all individuals exposed to a certain amount of…

A: Given that

Q: What are the Null and alternative hypotheses in the example of type 1 and type 2 error?

A: Type 1 error :  If null hypothesis is true but by mistake null hypothesis rejected than type 1 error…

Q: not using excel can this problem be solved?

A: The mean is $31,000, standard deviation is $3000.

Q: In 2016 the Better Business Bureau settled 85% of complaints they received in the United States.…

A: (b)   Obtain the probability that the sample proportion will be within 0.03 of the population…

Q: To what extent are sales people more extroverted than the general population? To help find out,…

A: Hypotheses: H0: μ=3.79H1: μ≠3.79

Q: In 2010 the Pew Research Center reported that teenagers send on average 50 text messages every day.…

A: The sample size is 25, the sample mean is 47.75 and the sample standard deviation is 15.

Q: 1. Consider the relationship between the number of bids an item on eBay received and th item's…

A: The given data shows the price in dollars and number of bids.

Q: Tobacco companies have actively attempted to remake their public image by launching a youth smoking…

A: Given that: Sample 1: x¯1=3.1s1=1.5n1=225 Sample 2: x¯2=2.8s2=1.6n2=225 Standard error,…

Q: Definition: Which of the following is O The number of standard errors above or below the expected…

A: Test statistic

Q: A sample of size 115 will be drawn from a population with mean 48 and standard deviation 12 . Use…

A: Given that.   X~N( μ , ?)   μ=48 , ?=12  , n=115   Z-score =( x - μ )/?

Q: A population has a mean of 50 and a standard deviation of 19 If a random sample of 36 is taken, what…

A: As  per our guidelines we are suppose to answer three sub parts

Q: How does one develop an econometric model to test the hypothesis that location is the most important…

A: Developing an econometric model to test the hypothesis that location is the most important factor in…

Q: average of 27 hours per week, with a standard deviation of 4. A sample of 23 male servers worked an…

A: Given that: Sample 1 (female servers): n1=14x¯1=27s1=4 Sample 2 (male servers): n2=23x¯2=35s2=3…

Q: b) In the table below, 55 students have been placed in four cells according to their lecture's…

A: Solution: From the given information,

Q: The mean incubation time for a type of fertilized egg kept at a certain temperature is 22 days.…

A: GivenMean(μ)=22standard deviation(σ)=2

Q: Solve the problem. In a continuous uniform distribution, minimum + maximum 2 range 12 Find the mean…

A: Answer:- Given, In a continuous uniform distribution               μ =minimum +maximum2 and σ =…

Q: Consider a Bienaym´e(B) process with offspring distribution given by   P(B = 0) = p, P(B = 1) = 1 −…

A: The Bienaymé(B) process is supercritical if and only if its mean offspring number is greater than 1.…

Q: Do male and female servers work the same number of hours? A sample of 14 female servers worked an…

A: Given that: Sample 1 (female servers): n1=14x¯1=27s1=4 Sample 2 (male servers): n2=23x¯2=35s2=3…

Q: var(e)= var انه -var(e,) = = a¹x, =o² x₂ (a) what correction would you use if the form of…

A: This question asks for a mathematical explanation of the corrections used for heteroskedasticity,…

Q: weights of bags of frozen vegetables packaged at a factory are normally distributed with a mean…

A: It is given that; x follows normal distribution with mean µx = 3.43 cm and the standard deviation of…

Q: If n=530 and (p-hat) =0.65, find the margin of error at a 90% confidence level

A: Answer: From the given data, sample size(n) = 530 p^ = 0.65 90% confidence interval, significance…

Q: Provide an appropriate response. Samples of size n = 1500 are randomly selected from the population…

A: The sample size n = 1500 is large and the Population proportion of odd is 5/10= 0.5

Q: 5. The thickness, x, of a protective coating applied to glass shower doors designed to ensure the…

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

Q: Populations with high variability will produce estimates with large margins of error (all other…

A: Populations with high variability will produce estimates with large margins of error (all other…

Q: 3. Let X denote the number of bars of service on your cell phone whenever you are at an intersection…

A: Hi! Thank you for the question. As per the honor code, we are allowed to answer 1 question at a…

Q: Sixty-five percent of households in Marin have one or more pets living with them. Ten households are…

A: Givenprobability of households in Marin have one or more pets(p)=0.65sample size(n)=10Let "x" be the…

Q: Fill in the blank in the following statement. If the population of state A is 25% less than the…

A: If the population of state A is 25% less than the population of state B,

Q: A searchword puzzle can be finished by an expert level puzzler in about 5 minutes, for which 99% of…

A: In this question, we are given information about the completion times of a searchword puzzle for…

Q: Suppose it is known from experience that the standard deviation of the weight of 10-ounce packages…

A: For the distribution of the weight of 10-ounce packages of cookies, σ is defined to be 1.5 ounces.…

Q: You wish to test if the mean difference of post-test from pre-test is less than significance level…

A: According to the given information in this question We need to find the critical value by R

Q: mean of 460kg and a standard deviation of 50 kg. MAKE SURE your answer contains the probability…

A: Given that.   X~N( μ , ?)   μ=460 , ?=50   Z-score =( x - μ )/?

Q: The U.S. Department of Education's National Center for Education Statistics (NCES) tracked the…

A: Answer:- Given, The NCES tracked the progress of first-time students seeking a bachelor's degree or…

Q: Professional sports teams sometimes "black out" home games on local television to encourage ticket…

A: Given that Professional sports teams sometimes "black out" home games on local television to…

Q: 1. What is the probability that exactly five computers are available at noon on Monday? 2. What is…

A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: The manager of a fast-food restaurant wants to reduce the proportion of drive-through customers who…

A: Given that: The null and alternative hypotheses are: H0:p=0.63H1:p<0.63

Q: A doctor claims that less than 30 percent of individuals who are exposed to a certain amount of…

A: A doctor claims that less than 30 percent of individuals who are exposed to a certain amount of…

Q: Solve the problem. Round to the nearest tenth unless indicated otherwise. Scores on an English test…

A: given data normal distributionμ = 37.3σ = 8for top 59% nand bottom 41% cutoff score = ?

Q: 1. The table above has data from the GSS that examine attitudes towards the statement, separates…

A: The solution to your question is as in steps below. As you have posted the photo in which one…

Q: Flying Home for the Holidays, On Time The dataset DecemberFlights contains the difference between…

A: Given Information: x1=67n1=1000x2=160n2=1000