1. What is the hypothesis for each problem below? When selecting answers: p0 is written "p0", μ0 is written "Mu0", ≠ is written "not =" A company claimed that more than 80% of their employees are satisfied with their employment. Null: H0: [p0 or Mu0] = .8 Alternate: Ha: [p0 or Mu0] [<, not =, or >] .8 A company claims that the average weight for the delivery of their product is less than 2 weeks. Null: H0: [p0 or Mu0] = 2 Alternate: Ha: [p0 or Mu0] [<, not =, or >] 2 A company claims that the average number of years an employee has worked for them is 15 years Null: H0: [p0 or Mu0] = 2 Alternate: Ha: [p0 or Mu0] [<, not =, or >] 2

Q: In 2016, the US poverty rate was 12.7%. During that year, 370 families where randomly selected in…

A:

Q: O p = 0.30, z = 0.803, p-value = 0.041 P = 0.208, z = -1.290, p-value = 0.098 Op = 0.75, z = -1.32,…

A: Let p be the population proportion of adults who stated that they drank once a week or less in the…

Q: An education researcher claims that 60% of college students work year-round. In a random sample of…

A: We have to test claim.

Q: A study by Consumer Reports showed that 62% of supermarket shoppers believe supermarket brands to be…

A: Given information:The consumer reports showed that 62% of supermarket shoppers believe supermarket…

Q: A certain virus affects 0.5% of the population. A test used to detect the virus in a person is…

A:

Q: Assume P (A) = .68, P (B) = .45, and P (AN B) = .25. Find P ( An I (An).

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Q: P(1)=.25 P(2) & P(3) =.2 P(4)=.05 P(5)= .1 P(6)= .2

A: Probability is a mathematical tool used to study randomness. It deals with the chance (the…

Q: In the year 2000, General Social Survey respondents were asked "How many hours did they spend on…

A: Given hypotheses are -H0 : mu2 - mu1 = 0 vsHa : mu2 - mu1 &lt; 0P-value = 0.0007

Q: You are conducting a multinomial hypothesis test for the claim that the 4 categories occur with the…

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Q: 18 A powerful women's group has claimed that men and women differ in attitudes about sexual…

A: Last option is correct d) at α=0.04 . You should reject H0

Q: .A 2017 survey of 1077 registered voters found that 83 percent of the voters surveyed oppose the…

A: The margin of error in a poll is a statistic expressing the amount of random sampling error in a…

Q: Lecture(12.13): Researchers were investigating anxiety in first year college students.According to…

A: Given information:   Going for a walk/ doing physical activity    Listening to music/ watching a…

Q: It is known that roughly 2/3 of all human beings have a dominant right foot or eye. Is there also…

A: Given that  Sample size n =130 Favorable cases x =80 Sample proportion p^=x/n  =80/130 =0.6154

Q: 4.30 What is the probability that among 10 true hyperten- sives at least 50% are being treated…

A: 4.30) The probability that among 10 true hypertensive at least 50% are being treated appropriately…

Q: R1.12. e-Books A study by the Pew Internet & American Life Proj- ect found that 78% of U.S.…

A: It has been stated that 78% of US residents over the age of 16 years read a book in the past 12…

Q: A researcher has participants expecting to receive either painful or mild electrical shocks during a…

A: Usually in survival analysis studies we can use both parametric and non-parametric statistics. For…

Q: k-Means Clustering of Wines. Amanda Boleyn, an entrepreneur who recently sold her start-up for a…

A: We have to find k value

Q: A certain affects virus 0.1% of the population.. A test used to detect the virus in a person is…

A:

Q: Hypertension It has been found that 26% of men 20 years and older suffer from hypertension (high…

A: Given,   no of men who have high B.P =40 no of women who have high B.P=53 n1=145 n2=145 p1=26%=0.26…

Q: If a person has a z-score of –2.00, this would mean that they

A: If a person has a z-score of –2.00

Q: The number of flaws in a 1-inch length of copper wire manufactured by a certain process varies from…

A: 48% of the wires produced have no flaws,…

Q: Assume that the average home price in the U.S. is µ = $292,700 with o = $60,000. A local real estate…

A: Hypothesis: The null and alternative hypotheses are below: H0: μ=292,700H1: μ&gt;292,700 The test…

Q: At a nearby college, there is a school-sponsored website that matches people looking for roommates.…

A: The question is based on sampl. dist. of a proportion Given : The prop. of stud. will find their…

Q: Use the following information to answer the question. A researcher is wondering whether the drinking…

A: Conditions for test: Independence assumption: The selected sample should be independent and sample…

Q: Dorothy Little purchased a mailing list of 2,000 names and addresses for her mail order business,…

A: BINOMIAL DIST

Q: Question 8 Fifty bottles of water were randomly selected from a large collection of bottles in a…

A: we have given that  fifty bottles of water were randomly  selected from a large collection of water…

Q: Last year, 60% of business owners gave a holiday gift to their employees. A survey of business…

A:

Q: A biology professor claims that, on the average, 15% of her students get a grade of A, 30% get a B,…

A: We have to find chi-square test statistics. Formula : χ2 = ∑(Oi-Ei)2Ei Where , Oi is observed…

Q: A humane society claims that less than 64% of households in a certain country own a pet. In a random…

A: Claim: Less than 64% of households in the country own a pet.A. H0: p0.64Ha: p&lt;0.64From the given…

Q: researcher believes that 52.5% of people who grew up as the only child have an IQ score over 100.…

A: Given: Population proportion of people with IQ score over 100 is 50%; P=0.5 Sample size n=400

Q: 44 patients had high blood pressure

A:

Q: A humane society claims that less than 67% of households in a certain country own a pet. In a random…

A: Given: The sample number of households is n=600. The number of households who own a pet is X=384.…