The probability that an athlete finishes a triathlon is 0.66. What is the probability that no less than 17 of the 20 triathletes will cross the finish line?

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A: Given n=18 X=72 Standard deviations=7

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A: Given n=100 P=0.28 Alpha=0.05

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A: Solution Given: x ​P(X=​x) 1 0.2 2 0.1 3 0.7

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Q: Theorem 1. The variate F with 1 and n degrees of freedom is distributed as t variate with n.d.f.

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Q: Choose one energy source at random. Find the probabilities of the following. Enter your answers as…

A: Solution-: Given:  Oil (41%), Natural Gas (20%), Coal (24%), Nuclear (9%), Hydropower (3%) and Other…

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A: Comment: As per the our company guidelines we are supposed to answer only one question. Kindly…

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A: Given Mean=17 Standard deviations=5.5 n=6

Q: -P He Let P(x) = and let p=5. Find P(5). P(5)= (Round to four decimal places as needed.)

A:

Q: A box contains twelve blue marbles, ten red marbles and five white marble is withdrawn, and without…

A: Given that: Number of red marbles, R = 10 Number of blue marbles, B = 12 Number of white balls, W =…

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A: Given that  Using excel regression

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A: We use standard normal z distribution table to find the solution.

Q: Below is a graph of a normal distribution with mean μ=-1 and standard deviation G=4. The shaded…

A: GivenMean(μ)=-1standard deviation(σ)=4

Q: General Direction: Perform each of the following steps. a. Find the Spearman rank correlation…

A: Given data: Grade 4 89 84 90 89 88 77 80 Grade 8 81 75 66 76 80 59 74 The objective is to…

Q: Time (Months) Number of Articles 0-0.9 46 1.0-1.9 18 2.0-2.9 15 3.0-3.9 20 4.0-4.9 14 5.0-5.9 13…

A: Given A few articles took longer than 6 months to review; these are omitted from the table. Consider…

Q: Let X denote the amount of time a book on two-hour reserve is actually checked out, and suppose the…

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A: Given x¯1=56, s1=8.2 n1=30 and x¯2=51, s2=6.9 n2=40

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A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Problem Solving. Read and analyze the given problem then answer the following questions. 1. 1. A…

A: To calculate the test statistics.

Q: Find the critical​ t-value that corresponds to 60​% confidence. Assume 5 degrees of freedom.

A: Given: Degree of freedom  = 5 Confidence level  = 60 % To find:  T-critical  value

Q: In the probability distribution to the right, the random variable X represents the number of…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: A sample of 200 college freshmen was asked how many hours per week they spent playing video games.…

A: ( a ) How many classes are there? ( b ) What is the class width?

Q: Classify the variable as discrete or continuous. "Weights of the backpacks of first graders on a…

A: Solution-: We classify variable as discrete or continuous. Weight of the backpacks of first graders…

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Q: Charlene and Gary want to make soup. In order to get the right balance of ingredients for their…

A: Cost of 1 pound of potato=$3.24  Cost of 1 pound of cod=$2.24 Cost of 1 pound of fish broth=$4.17…

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A: It is given that Mean of the random variable = 2.319

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Q: Private nonprofit four-year colleges charge, on average, $26,168 per year in tuition and fees. The…

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Q: State the null and alternative hypotheses. H₂₁:0² = 1 H₂:0² #1 H₂₁:0² > 1 H₂:0² $1 H₁:0² 1 H₂:0² 21…

A: Given that  Sample size n =23 Sample variance =1.6

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A: Sampling is a way of selecting data from a population.

Q: A random sample, X₁,..., Xn, is drawn from a Pareto population with pdf ого f(x0, v) = 20+1₁) (1),…

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Q: ick the icon to view the table of Chi-Square critical values. (Type a whole number) J

A: Given N=24 S=65.1

Q: Statistical Thinking Health Survey: In a COVID-19 survey of 1200 adults in the United States, 60%…

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Q: 2 m 2 m 2 m A VT B C DE F -2 m---2 m---2 m--2 m----2 m--2 m- 10 kN 20 kN 10 kN G

A: Given that,

Q: A psychologist is interested in the mean IQ score of a given group of children. It is known that the…

A: We have given that,  Sample mean (x̄) = 116, population standard deviation (σ) = 13 and sample size…

Q: Consider the following hypothesis test. 2 H₂:0₂ ² 2 (a) What is your conclusion if n₁ = 21, s, ² =…

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Q: 1-The degree of freedom of a good fit test is equal to the sample size a- true     b- mistake…

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…

Q: Question 1 Suppose you are in charge of rationing in a province affected by food shortage. The…

A: Given that: Area Mean Standard deviation A 2500 400 B 2000 200

Q: Use this table or the ALEKS calculator to complete the following. Give your answers to four decimal…

A: The provided information is a. P(z>-0.45) =1-P(z<-0.45) =1-0.32636 =0.6736   (from statistical…

Q: Let Z be a standard normal random variable and calculate the following probabilities, drawing…

A: As per our guidelines we can solve given three sub part (d, e, and f) of question  and rest can be…

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Q: Do all parts. Thanks (a) On a particular day a random sample of 12 tins of peas is taken from the…

A: (a) Given: Sample size n=12 Sample mean x¯=301.8 Sample standard deviation s=1.8

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A: Given that: Random number table: Row 1 77952 45477 86183 14079 Row 2 64955 24320 97448 26692…

Q: The president of Doerman Distributors, Inc. believes that 30% of the firm’s orders come from…

A: The given information is:

Q: If the random variable X and Y have the joint probability distribution f(x, y) = x+y, 0<x< 1,0 <y<1…

A: