An article published in the Washington Post claims that 45 percent of all Americans have brown eyes. A random sample of ?=78 college students found 30 who had brown eyes. Consider testing ?0:?=.45 ??:?≠.45 (a) The test statistic is ? = -1.16 (b) P-value =

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A: Population: The population comprises all of the records along with quantifiable population…

Q: ull and alternative hypc At least two of the popu At least two of the popu HL = "PT "C = HSA "L HpT…

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A: Given Weight=2500 Mean weight=3494 Standard deviation=490

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A: Here we want to Know that the given statement make sense or not.

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A:

Q: (V) Conclusion: There is suficient evidence to conclude that the honeymoon location is dependent on…

A: From Part (iii), it can be observed that the level of significance is less than the p-value and the…

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A: Given: Sample size n =112 students 63 passed the math portion 81 passed the English.  Level of…

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A:

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A: Qualitative measure is a type of information that describes traits or characteristics  And the…

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A: The objective of the question is to understand the statistical terms in the context of a survey…

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A: We have to determine which test use for given situation.

Q: You are testing the claim that the proportion of men who own cats is larger than the proportion of…

A: Denote p1, p2 as the true population proportions of men and women who own cats, respectively.

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A: From the provided information, Morning people = 17 Evening people = 35 Number of people who were…

Q: what range of raw scores makes up the middle 40%

A: The middle 40% means, the scores lie between 30th and 70th percentile. From stand normal, z-score…

Q: What mean would put 10% of he sample below it?   u= 450 o= 25 n = 81

A: μ=450,σ=25,n=81

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A:

Q: In the following situation we want to compare the mean responses in several populations.Are you a…

A: Given information- Number of groups (K) = 3 Total sample size, (N) = 111   Calculation of the degree…

Q: he preeminent basketball philosopher Rasheed Wallace popularized the phrase, "Ball don't Lie." This…

A: p = 0.785 n = 177

Q: D. What can you conclude about whether there was a significant difference between the scores of the…

A: Given:

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A: Proportion z_test: If the given sample size is more than 30 then that is a large sample test. z test…

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A: We will use the large sample test for difference of proportions. Z=p1-p2P.Q.(1n1+1n2)where P…

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A: It is given that x = 556n = 914Confidence level = 95%

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Q: Students in a math class took a 10 point quiz. The scores were: 3, 6, 6, 7, 7, 8, 8, 8, 8, 8, 8, 9,…

A: Mean Let "X" be the math scores. 3 6 6 7 7 8 8 8 8 8 8 9 9 9 10 10 10

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A: Step 1:Step 2: Step 3: Step 4:

Q: Based on the Nielsen ratings, the local CBS affiliate claims its 11 p.m. newscast reaches 52% of the…

A: Givensample size(n)=100p^=0.47

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A: Given that  Population mean μ =51.28

Q: If you know the p-value for a one-sided test is 0.0080, using the same statistics you used for the…

A: Answer:- Given, The p-value for a one-sided test is 0.0080. We know that "The two-tail p-value is…

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A: Given that: n = 900 X = 293 P = 47%  By using proportion test to solve this problem

Q: a. What is the exact value that is 19% of 1018? The exact value is. (Type an integer or a decimal.)

A:

Q: You are testing the claim that the proportion of men who own cats is larger than the proportion of…

A:

Q: In a city with three high schools, all the ninth graders took a Standardized Test, with these…

A: Given Information: High school Mean score on test Number of ninth graders Glenwood 77 279…