If the average American male is 5'10" and the standard deviation is 3", then LaBron James who is 6'8" is within deviations of the mean? standard

Q: The mean height of women in a country (ages 20-29) is 64.3 inches. A random sample of 70 women in…

A: Given that.   X~N( μ , ?^2 )   μ=64.3     , ?=2.67   Z-score =( x - μ )/?

Q: See image. Is there evidence of correlation in the population? no yes What is the value of a in y…

A: The question is about correlation Given : To find : 1 ) Testing of correlation 2 ) value of a 3 )…

Q: Suppose that historically, 36% of applicants that are offered admittance to Texas Tech actually…

A: Given : Proportion of applicants who offered admittance to Texas Tech actually enroll (p) = 0.36…

Q: Fill in the missing values in the contingency table. Round your expected frequencies to two or more…

A:

Q: Herbie owns a movie theater and has recently started thinking about using subliminal messages to…

A: Test is that whether money spent is effected by showing the subliminal messages.

Q: of obtaining a sample mean of 68 or less from a sample of 35?

A: Population mean is 65 and standard deviation equal to 24 μ=65σ=24 Sample size is 35; n=35 Cumulative…

Q: For the following Independent-Measures ANOVA, find the F-obtained. SOURCE SS df…

A: For the following Independent-Measures ANOVA, find the F-obtained.

Q: Q16. One-sample z-tests require that the population standard deviation σ is known before collecting…

A: The question is about to identify whether given statement is true or false Given statement : One…

Q: In a random sample of 18 people, the mean commute time to work was 32.2 minutes and the standard…

A: Given that n =18,x¯=32.2,s=7.1,α=0.10

Q: Use the following sample to estimate a population mean μ. 10.7 32.7 30.7 23.1 21.7 44.2 18.3 25.8…

A: The degrees of freedom is, df=n-1    =63-1    =62 Here, the confidence level is 0.995. Thus,…

Q: mean is 72 and standard deviation is 8 what is  P( x ≤ 72)

A: Given,mean(μ)=72standard deviation(σ)=8

Q: The test statistic of z= -3.32 is obtained when testing the claim that p <0.45. a. Using a…

A: It is given that Test statistic Z = -3.32 Claim : p &lt; 0.45

Q: The overhead reach distances of adult females are normally distributed with a mean of 202.5 cm and a…

A: Normal distribution is the type of continuous distribution. It distribute the data in bell shaped…

Q: A random variable X has a probability density function 0; x < 0, 0≤x≤1, 1<x<∞0. f(x)= { 22

A: a) Given information: fx=0, x&lt;012, 0≤x≤112x2, 1&lt;x&lt;∞

Q: The ANOVA F-test is always a  left tailed test two tailed test right tailed test What distribution…

A: From the above question The ANOVA F-test is always a  The correct option is  right tailed test…

Q: In a test of the effectiveness of garlic for lowering cholesterol, 42 subjects were treated with…

A: Given,sample size(n)=42sample mean(x¯)=4.5standard deviation(s)=17.6degrees of…

Q: Students Grade (x) 84 87 90 91 88 75 91 85 85 90 82 78 GWA (y) 1.75 2.00 3.00 2.75 2.75 1.25 2.50…

A: Solution: From the given information,

Q: The following data are based on information taken from the Statistical Abstract of the United States…

A: Standard deviation(σ)=E(X2)-(E(X))2

Q: What is the null hypothesis of a test for correlation?

A: Test is that whether correlation is significant i.e whether or not correlation is zero.

Q: the upper specification limit USL equ and the lower specification limit equa after taking a sample…

A: Given:- Upper specification limit is 60 minutes; USL=60 Lower specification limit is 10 minutes;…

Q: For the following values of SSX, SSY, and SP, the Pearson correlation coefficient (r) is ______ and…

A: It is given that  SSX = 170 SSY = 150 SP = 85

Q: Use the central limit theorem to find the mean and standard error of the mean of the indicated…

A: Mean(µ) = 111Standard deviations (σ) = 38.7X ~ N (µ, σ )= N(111, 38.7) And,  n = 15

Q: Q15. The sampling distribution of the mean is the hypothetical distribution of means from all…

A: Sampling distribution of means: For a given sample size n, random samples are repeatedly taken and…

Q: dentify the symmetrical interval that includes 95% of the sample means for a population with a mean…

A: The mean is 51 and the standard deviation is 7.

Q: In a small town in Colorado, it was found that 54% of the population support Candidate Randy. In a…

A: For the given data Perform z test for one proportion

Q: Claim: Fewer than 93% of adults have a cell phone. In a reputable poll of 1071 adults, 86% said that…

A: Formula of test statistic is as follows ,   z = p^-pp(1-p)n Where , p^ is sample proportion   p is…

Q: The data represent the​ time, in​ minutes, spent reading a political blog in a day. Construct a…

A:

Q: Find the expected counts in each category using the given sample size and null hypothesis. Ho: P1 P2…

A: From the provided information, The null hypothesis is as follow: H0 = p1 = p2 = p3 = p4 = 0.25…

Q: Find the regression equation, letting the first variable be the predictor (x) variable. Using the…

A: Regression Equation: The Regression Equation is used to predict the response or dependent variable y…

Q: each step. 10, 22, 25, 31, 32, 39 X - x SUM SUM N-1 SUM VN-1 (X - x)²

A: Mean is the average value. When this value is substracted from each of the values and then that…

Q: Example 3: You wish to evaluate the association between a person's gender and attitude toward…

A:

Q: A sample mean, sample standard deviation, and sample size are given. Use the one-mean t-test to…

A:

Q: f the treatment actually does work in the population, but based on looking at a sample, you conclude…

A: The type I error is defined as rejecting the null hypothesis when it is true. The type II error is…

Q: 11. Using Matrix approach, compute SSTO. O 0.9421 O 30.4121 O 3.8073 O2.8652 O Other:

A: The observations are as follows: y x 1.75 84 2 87 3 90 2.75 91 2.75 88 1.25 75 2.5…

Q: A statistical research yields to the sample proportion of a certain feature in a certain community…

A:

Q: For the following Before/After data, calculate the t-obtained for a Related-Samples t-test. a. 2.53…

A:

Q: Use the normal approximation to the binomial to find the probability for  =n=50, p0.6,  and  =X36…

A: We have to use normal approximation to the binomial distribution  First we will calculate mean and…

Q: Q10. Confounding occurs when” a. the confounding variable is related to none of the other…

A:

Q: The probability distribution for the number of sales done by a new Number of Sales per day x Number…

A: The probability distribution given in the question is as follows: X P(x) 0 0.16 1 0.19 2…

Q: Two thousand randomly selected adults were asked if they are in favor of or against cloning. The…

A: Given data,

Q: The number of college credits completed by a sample of 40 students is shown below.         9    9…

A: The data of 40 students as follows…

Q: The length of fish were measured at 3 different lakes.  Lake 1:  3.5, 4.2, 6.1, 5.2 Lake 2: 5.1,…

A: The given data is: Lake 1 Lake 2 Lake 3 3.5 5.1 5.6 4.2 6.2 7.1 6.1 5.3 2.4 5.2 2.1 4.1…

Q: Population Assignment of Explanatory Variable: . If random then This is an . If not random then…

A: Randomly sampling is used choose individuals from a population to be included in the study. Random…

Q: In a national survey conducted by the Centers for Disease Control to determine health-risk behaviors…

A: The given data is as follows: Response Frequency I do not drive a car 247 Never 118…

Q: Assume there are four individuals to be tested in Covid-19. Assume that E is a random variable that…

A: Discrete probability distribution

Q: In a random sample of 18 people, the mean commute time to work was 32.2 minutes and the standard…

A:

Q: a) Let Y₁,2,...,Yn be a random sample taken from a normal distribution with mean, and variance, 9.…

A:

Q: Find the Mean, Median and Standard Deviation for the data. Round to two decimal places.…

A: The following data has been given: 10,7,9,3,8,15,5,5,12

Q: Suppose that f(x,y)= [15x²y ; 0<x<y<1 0; otherwise.

A:

Q: Determine the indicated probability for a binomial experiment with the given number of trials n and…

A: Given : Sample Size (n) = 15 Probability of success (p) = 0.4 Let X be a r.v Such that : X~B(n=15 ,…