Individuals in the study who fell asleep fewer than 3 times during the observation period are considered "low-risk" for the purposes of your research. In a larger study, which measure would be the most useful for determining what proportion of your sample falls in the "low-risk" category? Group of answer choices Simple Frequency Relative Frequency Cumulative Frequency Cumulative Relative Frequency

Q: Is the height (in inches) of students in this class a quantitative or qualitative variable

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A: Given that:  X~Uniforma,b=Uniform30,60 Required probability:  P(x &lt; 38 | x &lt; 50)

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Q: K Here are summary statistics for randomly selected weights of newborn girls: n = 152, x= 33.5 hg,…

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Q: QUESTION 4 For the following, classify them as quantitative or qualitative. If the variable is…

A: Qualitative data:   The data consists of only the categorical data is considered to be qualitative…

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A: Answer..

Q: Suppose you are told that in a sample of N =50, 40% of the people are made. What is the n of people…

A: The following information has been given: The sample size is N=50 The proportion of people who are…

Q: Find the probability that x is between six and 12. X ~ N(9, 2)

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Q: so what is the solution

A: Given N=120 P=66% X=81 We have to calculate probability that at most 81

Q: Let, a₁ = 3, a₂ = 4 and for n ≥ 3, an = 2an-1+ an-2+ n²+1, express a, in terms of n.

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Q: Marginal Distributions For the discrete case: so that for all x₁ E Dx₁. F=Σ Fx (x1) = Σ PX1X2(W1W2)…

A: Here pX1,X2x1,x2 denotes the joint probability mass function (PMF) at X1=x1 and X2=x2 and pX1x1…

Q: QUESTION 7 Identify the type of sampling used; systematic, convenience, strati ed, or cluster, or…

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A: Given information: s1=$583 millions2=$488 millionn1=16n2=10α=0.10

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Q: An airliner carries 400 passengers and has doors with a height of 76 in. Heights of men are normally…

A: From the provided information, Mean (µ) = 69.0 in. Standard deviation (σ) = 2.8 in. X~N (69.0, 2.8)…

Q: Approximate the mean for following GFDT. Data Frequency 1 70-74 75-79 80-84 85-89 90-94 95-99…

A: Formula Used: Mean = ∑FX∑F Mid-value = Lower limit + Upper limit2

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Q: A news program reports that 41% of the population are in favor of a certain issue, 47% are against…

A: Given 41% in favour 47% are against Rest are undecided Undecided = 100 - (47+41)=12% One person…

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Q: (a) Find the local maximum and minimum points, including y-coordinates. (b) Find absolute maximum…

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Q: a. What is the distribution of X? X - N( 74 17 b. What is the distribution of ? -N 74 c. If a…

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Q: A journal article reports, t(92) = -1.67, p = .11, the reading scores of males (M = 31.54, SD =…

A: The following information has been provided: reading scores of males (M = 31.54, SD = 5.16, n = 29)…

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Q: Subset 3 - The next questions are based on the following information: The U.S. Postal Service…

A: Given: P = 0.634 n = 220 p^ = 0.587 Formula  Used: Test-statistic Z = p^-P0P0(1-P0)n

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Q: (b) Use the data to estimate the population standard deviation for the annual salary (in million…

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