2. Suppose you obtained this data from a section of 50 students. 88 83 84 90 87 94 91 93 93 97 81 87 86 90 95 89 90 93 91 95 87 80 80 90 93 85 94 93 93 96 88 90 89 95 87 91 94 90 91 96 84 82 88 89 92 90 93 90 93 97 Find the probability that the grade will be greater than 90.

Q: ind the probability distribution function of the number T show in it. B/X is a random variable H 70…

A: Given that.   X~N( μ=70 , ?^2 =36)   μ=70     , ?=6   Z-score =( x - μ )/?

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Q: 1. Suppose that a fair coin is tossed five times independently. Let V be the number of tails…

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A: Given that : μ = 116.4 days  ? = 1.3 days By using the standard normal distribution we solve this…

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A: Probability is a chance of occurrence of any event.

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Q: CIRCULAR PERMUTATION a. _Find the number of different ways can a family of six be seated in a round…

A: Given that  Circular arrangements  We know that  The number of permutations of n distinct persons…

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A: (3) No.of long distance runners = 10 No.of sprinters = 8  No.of jumpers = 5 consider that a team of…

Q: If (a,b) denotes an arbitrary interval of numbers on the real number line, Find the probability when…

A: Given that  [a,b] denotes an arbitrary interval of numbers on the real number line,

Q: 3. Betty is playing a game with a fair die. If she rolls a prime number, she scores 10 times the…

A: here as per your requirement i have calculated Q.3 here fair dice is tossed ,  so total possible…

Q: 93 grade 10 students were surveyed about their favorite subject. i. 50 students like Math ii. 47…

A: Solution-: Let, M -Math, E- English, S-  Science Given: n(M)=50, n(E)=47, n(S)=34, n(M∩E)=25,…

Q: Which statement about standard error is false? O A. It is a measure of the variability of a…

A: We need to find, which statement about standard error is false:- A. It is a measure of the…

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Q: Question 3 B0/1 pt If n=360 and p (p-hat) =0.48, find the margin of error at a 95% confidence level…

A: Given data,n=360p=0.48z-vaue at 95% CI is Zc=1.96Margin of error E=?

Q: If (a,b) denotes an arbitrary interval of numbers on the real number line, Find the probability when…

A: if [a,b] denotes an arbitrary interval of numberson the real number line.

Q: Score frequency <ecf 95 - 99 110 90-94 4 109 105 92 85-89 13 80 – 84 22 75 – 79 19 70 70 - 74 17 51…

A:

Q: Q1: Let x1, X2, ..Xn, Xn41 be a random sample of size n+ 1,n > 1, from a distribution that is N(H,…

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Q: Given a normally distributed population with a mean of 100 and variance 100, find f) P(90 sx s 115)…

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Q: The standard deviation of X, denoted SD(X), is given by SD(X) = /Var(X). Find SD(aX + b) if X has…

A: Given that  S.D(x)= √var(x)

Q: Score <cf frequency 1 95-99 110 90-94 4 109 85 -89 13 105 80 - 84 22 92 75 - 79 19 70 70- 74 17 51…

A: The partition values are: Median, Quartiles, Deciles and Percentiles. Median divides the observation…

Q: Let the random variable S and T be independent and identically distributed as follows: P(S = -1) =…

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Q: Consider the pdf shown. Determine (a) the constant b in terms of a. (b) P(X>a). (c) P(a < X <3a).…

A: As per bartleby guidelines we can solve only first three subparts and rest can be reposted

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A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

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Q: Given the joint distribution X** of Red 1. 2 3. 4. 0. 6/252 12/252 3/252 12/252 54/252 36/252 3/252…

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Q: Score 95- 99 frequency <cf 110 90-94 4 109 85 - 89 13 105 80 - 84 22 92 70 51 75 - 79 19 70-74 17…

A: Solution-: We have given the following table: Class Interval Freq (fi) CF 50-54 10 10 55-59 3…

Q: ** * * * 2 图到 3 • • • own above, a classic deck of cards is made up of 52 cards, 26 are black, 26…

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Q: Suppose that the life expectancy of a certain brand of nondefective light bulbs is normally…

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Q: A survey indicated that 12% of residents of a country have a great deal of confidence in banks and…

A: Given that  Number of trials n=2 Success of probability p =0.12 X~binomial(n,p) nCx= n!/x!(n-x)!

Q: 10. If E X=5' ,r=1,2,3,.., find M(t), the moment generating function of X, and the p.d.f. of X.

A: Given:  rth moment of random variable x  E(X^r)= 5^r   : r=0,1,2,..... To find moment generating…

Q: If X is a normal random variable with parameters u 10 and o? 36, compute %3D a. P(X > 5); b. P(4< X…

A: As per guidelines expert have to answer first question three subparts only dear student please…

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A: We have given that A four bit code word is any sequence of four digits where each digit is either 0…

Q: (a) the constant b in terms of a. (b) P(X>a). (d) X, X2 and o² . (c) P(a < X < 3a).

A: As per bartleby guidelines we can solve only first three subparts and rest can be reposted