What is the probability of randomly selecting a Old product, given you selected a Student? New product Old product Totals Student 23 17 40 Professor 16 29 45 Totals 39 46 85

Q: Assume that a sample is used to estimate a population proportion p. Find the margin of error M.E.…

A: Given n=329 X=39

Q: Q1) d- for the following equation, the value :of n is (n + 1) P3 = nP4 5 O 4 2.5 O 1 O none of all…

A: Given,P3n+1=P4nand we know that Prn=n!n-r!

Q: there are 97 losers out of each 100 cards. If a person purchases 13 cards, so the % probability that…

A: Given that person  loses 97 out of 100 cards, a person buys 13 cards

Q: A union of restaurant and foodservice workers would like to estimate the mean hourly wage, μ, of…

A: A) The hypothesized mean is 8.16.

Q: * Q3) b- In an advertising award, there are 97 losers out of each 100 cards. If a person purchases…

A: It is interpreted that: Total no. of cards=100. Total no. of cards that are losers=97.

Q: State the null hypothesis, present the output, interpret, and analyze the result. 1. The Dean of…

A: Given data: .

Q: D/ The water content measurements from a borrow pit are normally distributed. The mean of…

A: Given data: Mean = 13.7 Standard deviation = 1.9

Q: Assume that a sample is used to estimate a population proportion p. Find the 99.9% confidence…

A: Given n=236 P=0.322

Q: (a) A random sample of 10 houses in a particular area, each of which is heated with natural gas, is…

A: Given: sample size n = 10 Population size N = 29000 Formula Used: Sample mean X = ∑Xin

Q: The average age of dogs owned by residents in a small retirement community is 7.6 years with a…

A: The mean is 7.6 and the standard deviation is 0.9.

Q: The probability density function for the diameter of a drilled hole in millimeters is 10 e 10(x-5)…

A:

Q: The data below shows the selling price (in hundred thousands) and the list price (in hundred…

A: Formula : Test statistic

Q: nean smaller for houses owned by teachers? The data how the results of a survey of 16 teachers who…

A: Given See the give data in excel screen shot

Q: In a box containing 8 red balls, 8 green balls and 8 blue balls where 3 balls will be drawn in…

A: A discrete random variable is a variable whose values can be obtained by counting. Though, the…

Q: For the following data set, find Q1, Q2, Q3 and the interquartile range. 15, 12, 23, 15, 7, 8, 21,…

A: The following data has been given: 15, 12, 23, 15, 7, 8, 21, 10, 12, 14, 16, 24, 19

Q: Harry’s commuting times to work have a normal distribution with a mean of 45 minutes and standard…

A: Given: μ = 45 minutes σ = 10 minutes   Formula Used: Z-score = X-μσ

Q: 3. An architect wants to determine the relationship between the heights (in feet) of a building and…

A:

Q: Finish times to the nearest hour for dogsled teams are shown below.   Find the class width. Use 5…

A: The following data has been provided: 243 255 314 312 326 355 357 238 307 298 The total number of…

Q: Which one of the following give the amplitude and period for the graph shown below? -2 MA

A: Given graph is :

Q: In a survey, 21 people were asked how much they spent on their child's last birthday gift. The…

A: Givensample size(n)=21Mean(x)=34standard deviation(s)=6confidence level=80%

Q: The population of a city has decreased by 32% since it was last measured. If the current population…

A: From the information, Let x denote the population of city when it was last measured The current…

Q: Which word has the fewest permutations of its letters? a) census Ob) follow c) fierce d) faster

A: As Prof. S. N. De said "A permutation of a set is defined as an arrangement of its members into a…

Q: Match the following scatter plot graph with their corresponding correlation coefficient value.…

A: The objective is to estimate the correlation coefficients for each of the given scatterplots:

Q: What is the Binomial Probability when the number of trials is 15, probability is 0.80, and we want…

A: According to the given information in this question We need to find P( X < 8)

Q: The grade point average collected from a random sample of 150 students. Assume that the population…

A:

Q: 1 1 1 - Given that P(A or B) P(A)=, and P(A and B) 9₁ O A. 71 252 127 O B. 252 5 O C. 63 O D. 55 252…

A: P(a or b) = 1/4 P(a) = 1/7 P(a and b) = 1/9 P(b) = ?

Q: Let F be the co

A: Here,for G∈F and △∈D={cG1-G2:CER,Gj∈F, j=1,2}. Then, TG+t△-TG=∫G+t△z-ydG+t△ y-∫Gx-ydGy…

Q: Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If P(z…

A: Solution-: Given: Z are normally distributed with mean of 0 and a standard deviation 1  If…

Q: In an upstate county in New York state, county administration did a statical study on household…

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

Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…

A:

Q: Determine if there is significant difference among the costs of daily allowance received by the…

A: Anova is used to measure the mean significance between the groups of observations. It compare three…

Q: he number of customers served at a busy restaurant on Thursdays follows a Normal distribution with…

A: The number of customers served on Thursdays follows a Normal distribution with mean 6,391 and…

Q: In a sample of 10 randomly selected women, it was found that their mean height was 63.4 inches. From…

A:

Q: A company that develops an automated customer service model is interested in knowing whether two…

A: The hypothesis test for the difference between two population means is,

Q: The number of rescue calls received by a rescue squad in a city follows a Poisson distribution with…

A: Givenan average of 2.83 rescues every eight hoursfor one hour=2.838=0.35375  rescue per one…

Q: An investment analyst collects data on stocks and notes whether or not dividend were paid and…

A:

Q: What is the simple regression line that can best predict the sales from the advertising expenditures…

A:

Q: Q4) Data of 100 student scores was recorded in a statstistics exam. The arithmetic mean and standard…

A: Given n=1000, sample mean x̄=60, standard deviations=15

Q: our place of employment is trying to determine whether to allow its employees to work from home for…

A: Note: As per the multiple questions rule, we are answering first question for you. Kindly repost the…

Q: What about the t value and the p value?

A:

Q: Assume that a sample is used to estimate a population proportion μ. Find the margin of error M.E.…

A: To find: Margin of error (E).

Q: A vote with outcome ??? or ??????? follows a Bernoulli distribution where ?(vote = "???") = 0.27.…

A: Given that: A vote with outcome ??? or ??????? follows a Bernoulli distribution. Pvote="for"=0.27

Q: r other spread if peanut allergy is a concern.) (a.) Lost the steps (elements) required to prepare…

A: As the question contains multiple subparts according to the company guidelines we are supposed to…

Q: The table below gives the estimated world population (in billions) for various years. 1980 1990 1997…

A: Let X=Years: 1980,1990,1997,2000,2005,2011  Let Y=Population: 4400,5100,5852,6080,6450,7000

Q: A survey is commissioned to study the weight of NFL players at certain positions.  Of the 188 active…

A: Solution-: Given: n=36, x¯=179.8, σ=4.1, c=0.05 We want to find margin of error =?

Q: Find the values of the 60th, 70th, and 80th percentiles of a normal distribution for which Mean and…

A:

Q: F. For the following data set, complete the table and determine the mean, median, mode and standard…

A:

Q: Filipino band Ben and Ben is planning to have a grand concert in MOA Arena and decided to play 6…

A: Given that Filipino band Ben and Ben is planning to have a grand concert in MOA Arena and decided to…

Q: Determine whether the random variable x is discrete or continuous. Explain. Let x represent the…

A: As we know discrete variables are countable  Continuous variables are measurable.

Q: As determined from long experience, the number of automobiles rented per hour, X, at the Rent-A Car…

A: Solution-: Let, X=Automobiles Rented and P(X)=Probability  We have following table: X P(X) 0…