Margarette scored to 94, 95, 89, 89, 98,96 and 92 in 7 quizzes in Mathematics 10. If there are 8 quizzes in a grading period, what score should she obtain to have an average of 94?

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A: The given graph is normal probability distribution. The probability density curve of normal…

Q: The probability mass function of X is Then Var(X + 5) is (a) 0.1 (b) 0.2 (c) 0.3 (d) 0.4 (e) None of…

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Q: .The kid is a girl OR the kid prefers Strawberry. Are the events disjoint or non-disjoint?

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A: given data z1=0.53 and z2=3.11

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A:

Q: give and describe a scenario involving a binomial and a poisson random variable. you can use a…

A: From the given information we find the real life example of Binomial and poisson Distribution.

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Q: Statistics Grade IQ Score Student 65 50 55 5 70 65 70 5 70 50 5 75 80 65 70| 1234567890123415

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Q: 5.3 1) 6) These dot plots do not have any numbers or context. For each of the following dot plots:…

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Q: Part 1: The Atlantic Tire and Muffler Company introduced a new line of all-season tires in January…

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Q: ippose that X has a normal distribution, Find E[ekx].

A: Solution

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Q: Conduct a hypothesis testing to test the given claim about the means of two populations. Assume that…

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Q: . If there were a total of 500 respondents, how many of them are expected to be more than 72 inches…

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Q: 1. Using the ungrouped data below, find the following correctly. Student Number 1 2 3 4 5 Weight of…

A: Given, Student x 1 35 2 37 3 40 4 45 5 48 6 45 7 50 8 52 9 60

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A: It is given that The correlation coefficient r = -0.9909 for an explanatory and response variable.

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Q: STATISTICS AND PROBABILITY  (Answer only. NO long explanation needed. Rate will be given) Which of…

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Q: 15. The Lake Placid Town Council decided to build a new community center to be used for conventions,…

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Q: 8.44 The scores on a placement test given to college freshmen for the past five years are…

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A: The provided information is  µ=0 σ=1 Then P(x<0)=?

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Q: State the null and alternative hypotheses. The owner of a factory that sells a particular bottled…

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Q: IDENTIFY THE TYPE (Qualitative or Quantitative; if Quantitative - Continuous or Discrete) AND LEVEL…

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Q: Number of Bacteria Minutes of Exposure 1 175 108 2 95 3 82 4 71 5 50 6 49 7 31 8 28 9 17 10 16 11 11…

A: *Answer:  *B

Q: What is the area under the normal curve at the right of z = -1.20?

A: We will use Standard Normal table to find the required area.

Q: 1. Let the joint p.d.f. of X and Y is defined by ƒ(x,y)=x+³, x=1,2, y=1,2,3,4. 32 (a) Find f(x),…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…