Fr(Gender Male, Education=BA)=
Q: Why is it z > 1.49? Why is it greater than? and why multiply it by 2?
A: Why z>1.49??? Explanation : From the test static formula we got the z value.If we observe in the…
Q: A business analyst believes that the capital utilisation (as measured by inventory turnover) has a…
A: The least square regression line is given by, ŷ = bx+a Where b=…
Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7.2…
A: The question is about normal distribution Given : Mean of lifespan of items ( μ ) = 7.2 years Std.…
Q: 4.46 For a random sample of 36 graduate students in economics in a graduate economics program with…
A: Given Let n be the sample size X be the number of graduate mahor in mathematics n=36, x=8
Q: average height of childen in a school is 43" with a SD = 3.4" Write each answer as a 2-dedcimal…
A: Given that Mean = 43 , Standard deviation = 3.4
Q: The overhead reach distances of adult females are normally distributed with a mean of 205 cm and a…
A: Given that Mean = M = 205 , Standard deviation = SD = 8.9
Q: X~ N(54,8). Find the probability that x < 30. I
A: given data normal distributionx~N(54,8)μ = 54σ = 8P(x<30) = ?
Q: The average fuel efficiencies, in miles per gallon, of cars sold in the United States in the years…
A:
Q: The accompanying data set includes volumes (ounces) of a sample of cans of regular Coke. The summary…
A: From the provided information, Sample size (n) = 36 Sample mean (x̄) = 12.193 Sample standard…
Q: X1 300 X2 360 X3 480 X4 X5 528 528 Required find the following: as they related 1 - Arithmetic mean…
A: As per our guidelines we are supposed to answer only 3 sub-parts of any questions so i am solving…
Q: Data on 4500 college graduates show that the mean time required to graduate with a bachelor's degree…
A: given;sample size(n) = 4500mean(x¯)=6.38 yearsstandard deviation(s) =1.39 yearsconfidence level 95%…
Q: Let T be the random variable that models the lifespan of a cellphone battery (in months). It is…
A: Given that, T be the random variable that denotes the lifespan of a cellphone battery. The lifespan…
Q: 2. Educational researchers predict that there may be a relationship between students 'personality…
A: given that, Educational researchers predict that there may be a relationship between students…
Q: Given that PCA) = 1/5, PCB) = 1/3, PCCJ = 2/6, PCAIB) = 1/2 and PCBNC) = 0 a) find PCAIB) B) find…
A: P(A)=1/5 P(B)= 1/3 P(C)= 2/5 P(A|B)=1/2 P(B∩C)=0
Q: The claim is that smokers have a mean cotinine level greater than the level of 2.84 ng/mL found for…
A: given data, claim : μ>2.84n=911t= 56.944p-value =?α=0.01we have to find out the p-value and…
Q: "My next-door neighbor has three boys and she's pregnant again. This or is bound to be a girl."…
A: Given statement: My next-door neighbor has three boys and she's pregnant again. This one is bound to…
Q: Assume that adults have IQ scores that are normally distributed with a mean of 98.6 and a standard…
A: GIVEN DATA, NORMAL DISTRIBUTION μ=98.6σ=24.2 WE HAVE TO FIND OUT THE PROBABILITY THAT THE IQ…
Q: The
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Q: Can you elaborate or explain more on how Z0.025 = 1.96
A: Given,sample size(n)=32 sample mean=1.5 standard deviation(s)=0.3 α=0.025 Null hypothesis H0:μ=1.4…
Q: 1. The following table contains the probability distribution for the number of traffic accidents…
A: Solution -Given that , the probability distribution of X Number of accident daily (X) P(X=x) 0…
Q: Out of 500 people sampled, 220 preferred Candidate A. Based on this, estimate what proportion of the…
A: We have given thatn = 500x = 220p̂ = x/n = 220/500 = 0.44Significance level (α) = 1 - 0.90 = 0.10…
Q: For a standard normal curve, find the z-score that separates the bottom 70% from the top 30%.
A: Answer:- Given, a standard normal curve, Find the z-score that separates the bottom…
Q: A leakage test was conducted to determine the effectiveness of a geal designed to keep the inside of…
A: Data given n=5, 3.1,3.3,4.5,2.8,3.5 Construct 95% CI for population mean μ
Q: 4.2.3 4.2.4 What is a 95% prediction interval for the chest girth of a bear with a neck girth of 20…
A: Given that Sample size n =19 Regression equation Y^ =5.32 + 1.53x Standard error of the fit=0.880…
Q: A civil engineer is analyzing the compressive strength of concrete. Compressive strength is normally…
A: Given that n = 12 , ?2 = 1000 , ? = √(1,000) = 31.6228
Q: Briefly describe in less than 50 words what each of the subplots in Figures reveal about the data.
A: The objective is to interpret the given plots
Q: This will give you the following. : x = 0.469 S= 0.263 Q1 = = 0.228 Median = 0.489 Q3 = 0.648…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: 40 11 A random sample of 144 with a mean of 300 and a standard deviation of 100 is taken from a…
A: Given n=sample size=144, sample mean x̄=300, standard deviations σ=100 Construct 90% CI for…
Q: The family budget is illustrated in the figure to the right. What percent of take-home pay is spent…
A: Given that Education = 110 Total = 450+400+90+110+70+90+160+160+270 Total = 1800
Q: According to Bayes Theorem, the probability of event A, given that event B has occurred, is as…
A: Given that P(A) = 1/4 , P(A') = 3/4 , P(B/A) = 1/10 , P(B/A') = 7/10
Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…
A: Answer: - Given , X~N(μ, σ) Mean μ =100, standard deviation (σ) =15. Find P(X < 85) =?
Q: ANOVA was used to test the outcomes of three drug treatments. Each drug was given to 20 individuals.…
A: Given that MSE = 16 , Total Sample = n = 60
Q: The manager of High Point Sofa and Chair, a large furniture manufacturer located in North Carolina,…
A: Given data: Worker Job Performance Score Aptitude Test Score Union Membership Abbott 58 5 0…
Q: Complete parts (a) and (b) below. The number of dogs per household in a small town 0 2 Dogs…
A: Given that Probability mass function of X is Dogs=X 0 1 2 3 4 5 P(Dogs=X) 0.667 0.204 0.084…
Q: Given the below cumulative distribution function, find the following probabilities. SHOWING WORK IS…
A: given cumulative distribution funciton(cdf);F(x)=0x<20.052≤x<50.155≤x<60.36≤x<818≤x
Q: need help with question (d
A: Given that X~U(a , b) a=0 , b=2
Q: Cerebral blood flow (CBF) in the brains of healthy people is normally distributed with a mean of 74…
A: Given that Mean = M = 74 , Standard deviation = SD = 16
Q: sold 457,000 pencils each year. Furthermore, 90% of the time sales have been between 454,000 and…
A: It is given that Mean, μ = 457000 P( 454000 < X < 460000 ) = 90% = 0.90
Q: As part of a study on how people of different ages use mobile technology, each person in a sample…
A: Given Information: Age 20 to 39: Sample size n1=258 Number of successes x1=168 Age 40 to 49: Sample…
Q: Among college students, the proportion p who say they're interested in their congressional…
A: A) first of all we have to construct null and alternative hypotheses as followswe know that null…
Q: Hi the solution is in
A: Given claim: Test whether the true mean age of the store's shoppers is over 21. Null Hypothesis:…
Q: 3. Each week a garment factory makes one production run of their popular tie-dyed cheesecloth…
A: Given information- We have given the probability distribution for X. X 5000 6000 8000 10000…
Q: The mean systolic blood pressure of all healthy adults is less than than 125 mm Hg. Sample data: For…
A:
Q: Out of 400 people sampled, 152 received flu vaccinations this year. Based on this, construct a 95%…
A: Given data X = 152 N = 400
Q: The accompanying data set includes volumes (ounces) of a sample of cans of regular Coke. The summary…
A: From the provided information, Sample size (n) = 36 Sample mean (x̄) = 12.193 Sample standard…
Q: Determine the point estimate of the population proportion, the margin of error for the following…
A: Given information: Lower bound =0.259 Upper bound=0.591 n=1200 Point estimate=0.425
Q: To calculate the F statistic A. The MSE and SST is important B. The pooled variances is…
A: Given that MSE = Mean Sum of Square of Error SST = Sum of Square of Treatment dfT = Degree of…
Q: Consider the following two independent random variables, X and Y. Random variable X has a mean of 27…
A: Given Information: There are two independent random variables X and Y. X has a mean of 27 and a…
Q: P(A and B) cannot be 0.7. 4.101 Is the calcium intake adequate? In the population of young children…
A:
Q: K Assume that adults have IQ scores that are normally distributed with a mean of 101.5 and a…
A: Given that Mean = 101.5 , Standard deviation = 20.1
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