A social service organization reports that the level of educational attainment of mothers receiving food stamps is uniformly distributed. To test this claim, you randomly select 98 mothers who currently receive food stamps and record the educational attainment of each. The results are shown in the Response Not a high school graduate High school graduate College (1 year or more) Frequency, f O 37 table on 39 the right. At a= 0.025, can you reject the claim that the distribution is uniform? Complete parts (a) through (d) below. 22

Q: Suppose that the sitting back to-knee length for a group of adults has a normal distribution with a…

A: Given that, μ=23.3 inσ=1.1 in The value of X is significantly high is,

Q: Suppose a shop owner claims that an equal number of customers come into his shop each weekday. To…

A: Claim : the distribution of the customers that come in each day is consistent with his hypothesized…

Q: A social service organization reports that the level mothers who currently receive food stamps and…

A: (a) State the hypotheses. Null hypothesis: Alternative hypothesis:   Identify the claim.   The…

Q: The table to the right shows the number of female students who played on a sports team in grades…

A: ANOVA: ANOVA is useful method to check the Significance difference between the two or more than two…

Q: Let X denote the number of flaws along a 100-m reel ofmagnetic tape (an integer-valued variable).…

A: Give that the number of flaws long a 100m real of magnetic tape X has approximately a normal…

Q: 1. Show that for a J-shaped distribution, with the maximum frequency towards the lower values of the…

A:

Q: Suppose X has a Weibull distribution with B = 3 and ô = 4000. What is P(X >4500)? 0.24079 попе…

A:

Q: If the level of significance (α) is 0.005 in a two-tail test, how large is the nonrejection region…

A: Two tailed t test has rejected regiion both side.

Q: A social service organization reports that the level of educational attainment of mothers receiving…

A: Note-  In case the question consists of multiple sub parts , we are authorized to answer three sub…

Q: For a t distribution with 16 degrees of freedom, find the area, or probability, in each region. a.…

A: Note :-As per our policy, we can answer only three sub-parts, make a new request for other sub-parts…

Q: social service organization reports that the level of educational attainment of mothers receiving…

A: Given Significance level=0.025

Q: Find the uniform distribution of the continuous type on the interval (b, c)that has the same mean…

A: Given information is,  b+c2=8b+c =16c-b212=16c-b2=16×12c-b =83

Q: Suppose that X-bin(75,0.2). Using the normal approximation to the binomial distribution, P(14.< X <…

A: Given,n=75p=0.2mean(μ)=np=75×0.2=15standard deviation(σ)=np(1-p)σ=75×0.2×0.8σ=3.4641

Q: Suppose Z follows the standard normal distribution. Use the calculator provided, or this table, to…

A: suppose Z follows the standard normal distribution.Z~N(μ,σ)where μ=0  and σ=1

Q: Find the value of t for a t-distribution with 55 degrees of freedom such that the area to the left…

A: Given information- Degree of freedom, df = 55 The area to the left of t = 0.005 We have to find the…

Q: A restaurant chain has noticed 40% of diners order the dessert special if there is a promotion…

A: Given that, Now, the value of q:

Q: For a t distribution with 16 degrees of freedom, find the area, or probability, in each region. d.…

A: Obtain the probability value to the right of 2.583 for a t distribution with 16 degrees of freedom.…

Q: For a t distribution with 16 degrees of freedom, find the area, or probability, in each region. a.…

A: We have given that  Degree of freedom=df=16 for each region  And find the probability  Note:…

Q: • Find the two values of t such that 99% of the area under the t- distribution is centered around…

A: We want to find t-value

Q: that is not normally distributed and whose standard deviation is not known, a sample of 50 items is…

A: As the population standard deviation is not known, we will use t distribution. Also, the sample size…

Q: Suppose the service time, in minutes, at a bank has the Exponential distribution with 2 = 1/2.…

A:

Q: Recall that for use of a normal distribution as an approximation to the binomial distribution, the…

A: If the binomial distribution approximated to normal distribution the following  conditions needs to…

Q: Suppose 14% of students are veterans. From a sample of 201 students, how unusual would it be to have…

A:

Q: Set the seed equal to 86, and simulate mi = Bin(n1, T = 20, 000 samples of size n1 = 1000 from a…

A: X= rbinom(20000,1000,0.3) Y=rbinom(20000,1100,0.7) hist(X-Y)   The histogram suggest that the…

Q: A researcher wants to test to see if husbands are significantly older than their wives. To do this,…

A: The aim is to find the accurate statement from the following options to evaluate the population mean…

Q: For a t distribution with16 degrees of freedom, find the area, or probability, in each region. a. To…

A: (a)   From the given information, the degree of freedom is 16 and the t statistic value is 2.120.…

Q: Suppose Z follows the standard normal distribution. Use a calculator or table, to determine the…

A: Given that.   X~N( 0 , 1 )   μ=0  , ?=1 (for standard normal distribution)    Z-score =( x - μ )/?

Q: Suppose that x follows a chi-square distribution with 22 degrees of freedom. Use a calculator to…

A:

Q: For a package delivery business, historical data shows that delivery times follow a Normal…

A: Given that  X~N(μ= 60 , σ= 10 ) μ= 60 , σ= 10

Q: The moment generating function of the negative binomial distribution is given by pe' my (t) =| 1-…

A:

Q: Which of the following describes a typical distribution of F-ratios? symmetrical with a mean of zero…

A: We have given that an statement about the typical distribution of F-ratios.

Q: ** Let os be the median of a symmetric distribution that is of the contuous type. To test, with a =…

A: We have given data are 1.5,-0.5,1.6,0.4,2.3,-0.8,3.2,0.9,2.9,0.3,1.8,-0.1, 1.2,2.5,0.6,-0.7,1.9,1.3

Q: For a t distribution with 16 degrees of freedom, find the area, or probability, in each region. a.…

A: Given data: T- distribution with Degree of freedom  = 16

Q: Compared to the z distribution, the t distribution has a shorter peak and fatter tails. In the t…

A: Z-distribution vs t-distribution

Q: If np&gt;5 and nq&gt;5, estimate P(fewer than 8) with n = 14 and p = 0.6 by using the normal…

A: From the given information, Sample size (n) = 14 p=0.6 It has been given that, np &lt; 5 or nq &lt;5…

Q: 2 An arborist collects data on the height of mature rimu trees in the local area. Letting X be the…

A: Given : P(x &gt; 35) = 0.08 P(x &lt; 25) = 0.14

Q: According to the 2015 Physician Compensation Report by Medscape (a subsidiary of Web American…

A: Given data,Mean μ=$421,000sd    σ=$90,000

Q: A biologist believes the number of pups per wolf dens in southwestern United States is now less than…

A:

Q: To the right are summary statistics for infant mortality rates for counties of a certain region in…

A: Quartiles: Quartiles are those values which divide the data into four equal parts and we will get…

Q: A vertical line is drawn through a normal distribution so that 17.36% of the distribution is located…

A:

Q: The probability to the right of the z-value is 85%. Find the value of z (using the table or the…

A: Given:PZ&gt;z=85%⇒PZ&gt;z=0.85   Now,PZ&gt;z=0.85⇒1-PZ≤z=0.85⇒PZ≤z=0.15

Q: Assume that X, the starting salary offer for sociology majors, is normally distributed with a mean…

A: given that.   X~N( μ , ?^2 )   μ=43256     , ?=3150   Z-score =( x - μ )/?   NOTE:- According to…

Q: The moment generating function of the negative binomial distribution is given by pe' m, ()=1-ge 1-…

A:

Q: The time to failure of a very sensitive part follows a Weibull distribution with a = 1 hou Calculate…

A: We want to the probability and  X~Weibull distribution(α=1,β=1)

Q: A researcher wants to compare the heights of males between generations to see if they differ. To do…

A: Explanation:The decision rule regarding the testing of hypothesis for a two-sided alternative using…

Q: A random group of apartments was selected from a city to analyze the number of bedrooms they have.…

A: The claim is that there is evidence to reject the hypothesis that the apartments are equally…

Q: Suppose that X-bin(75,0.2). Using the normal approximation to the binomial distribution P(14 < X <…

A: Given,n=75p=0.2mean(μ)=np=75×0.2=15standard deviation(σ)=np(1-p)σ=75×0.2×1-0.2σ=3.4641

Q: To test Ho: µ = 40 versus H,: µ<40, a random sample of size n= 26 is obtained from a population that…

A: Here level of significance is Missing so can answer only test statistics

Q: For a t distribution with 15 degrees of freedom, find the area, or probability, in each region.…

A:

Q: A biologist collected data on height (feet) of 10 random trees in an orchard. The list of heights:…

A:

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.