2-80. A lot of 100 semiconductor chips contains 20 that are defective. (a) Two are selected, at random, without replacement, from the lot. Determine the probability that the second chip se- lected is defective. (b) Three are selected, at random, without replacement, from the lot. Determine the probability that all are defective.

Q: When the weight of a parcel of oranges was measured, it was observed that the average 190 grams and ...

A: Given data, μ=190σ=25   p=9500 =0.018 i.e., P(Z<z)=0.018

Q: The student sitting next to you in class concludes that the prob-ability of the ceiling falling down...

A: The probability of falling of ceiling is 12.

Q: The sample mean weight of 200 adult vulturine parrots was measured to be 734.2 gran with a standard ...

A: xbar = 734.2 s = 15.7 n = 200

Q: the weight of an organ in adult males has a bell shaped distribution with a mean of 350 grams and a ...

A: Given : mean(μ) =350 standard deviation (σ) = 50 Empirical rule :  Approximately 68%of data values l...

Q: Elif and Zeynep play chess 12 times. 6 of them are won by Elif, 4 by Zeynep, and 2 of them end in a ...

A: P(ZEYNEP WILL WIN AT LEAST ONE GAME) = [P((ZEYNEP)*(ZEYNEP')*(ZEYNEP)')]^3 =[(1/3)(1/2)(1/2)]^3 = (1...

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A: The number of non-negative integer solution to the vectors x1,x2,x3....................................

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A: As the name indicates, the dependent variable is the variable which depends upon the independent var...

Q: please assist with this question

A: It is an important part of statistics . It is widely used .

Q: 5 -))A group of students from 85 people, 35 people, basketball, football, 42 people, 26 people are p...

A: From the below diagram, it can be seen that,  The given information is represented in the venn diag...

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A: The value of z at 95% confidence level is 1.96, which can be found by using the standard normal tabl...

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A: Let us denote A=the tenth carton B=the event that both eggs are bad.   According to the question: P(...

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A: Consider two events A and B. According to the concept of conditional probability, the probability of...

Q: An integer is chosen from first 68 positive integers. Find probability that the integer is 1. divi...

A: Given: The number of positive integers is N=68. Let A be the event representing the integers that ar...

Q: When the individual weight of a parcel (500 pieces) of oranges was measured, it was observed that th...

A: Given, Mean, mu= 200 Standard deviation, sigma= 25 X~N(200,25)  And n= 10/2 = 5  P(X<=150)   

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A: There are 4 measurement of variables. They are  Nominal Scale: Numbers in the variable are used only...

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A: Given that all registered voters must be at least 18 years old.   6) Eric is 19 years old. Since 19&...

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A:

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Q: Give given, required, and solution to each problem.

A: Contingency Table   Yes no Total 1 22 8 30 2 25 5 30 3 30 10 40 Total 77 23 100   P(A...

Q: When the weight of a parcel of oranges was measured, it was observed that the average 190 grams and ...

A: Given: Population mean μ=190 Population standard deviation σ=25 Let X be the weight of a parcel X ~ ...

Q: When the weight of a parcel of oranges was measured, it was observed that the average 200 grams and ...

A: Given data, μ=200σ=25   p=9500=0.018P(z<z)=0.018  

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A:

Q: Please provide steps for using PH stat for this 5.2 problem.

A: Aa

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A: Given data,σ=1E=0.22z-value at 95% confidence is Zc=1.96n=?

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A: Given, n(U)=100 n(A)=30 n(B)=50 n(A′∪B)=?

Q: A fair coin is tossed three times (consecutively). If X is the number of heads of the first shot and...

A: It is an important part of statistics . It is widely used .

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A: Let us consider the no. of births in hospital is denoted by X. Then X~P(λ=1.2) We have to find the p...

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A: It is an important part of statistics . It is widely used .

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A: Given, Expected net present value μ=50000 Standard deviation of net present value σ=20000 To have a ...

Q: The birth rate in a hospital is given to match the Poisson distribution with an average of 1.2 per h...

A: Given Data: Let X represent the birth rate per hour   λ=1.2 X~ Poi (1.2)

Q: Plzzz explain.

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A: From the provided information, Mean (µ) = 75 minutes Standard deviation (σ) = 20 minutes X~N (75, 20...

Q: 40 - Box A contains 11 balls with numbers from 1 to 11 and box B contains 7 balls with numbers from ...

A: It is an important part of statistics . It is widely used .

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A: Given : Number of junior students = 10 Number of senior students = 30 Number of graduate students = ...

Q: 9 Assume that 35 take mathematics, 28 take psychology, and 14 take mathematics and psychology. How m...

A: M = Mathematica ,S =psychology n(M)= 35 , n(S) = 28 , n(M∩S) = 14

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A: Hello. Since you have asked multiple questions, we will solve the first question for you. If you wan...

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Q: Find the 8th term of the following sequence 6, 12, 24, . . . .

A: series = 6,12,24...   we see that the each value in the series is getting multiplied = 2*previous va...

Q: , If continuous random variable X is normally distributed with u = 5625 and o = 875.5, what is P(500...

A: Given that X follows a normal distribution with mean= 5625 and standard deviation= 875.5  

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A:

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A: Given, 5 people finish the whitewashing of a house in 3 days.       To find, How many days will 3 pe...

Q: Find the 11th term of the harmonic sequence1/5,1/8/1/11,1/14,. . .

A: harmonic progression is 1arithmetic progression the given series has a pattern of = 13+previous term...

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A: Given That, Mean=3450 Standard Deviation=480

Q: In a communication channel, data is sent in 10-bit packets. The percentage of a bit sent with error ...

A: probability of error = 0.05 Number of bits = 10   The probability of three or more bits is given by

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Q: calculate the quantities needed to prepare each liquid compound. Round your answers to two decimal p...

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Q: In a communication channel, data is sent in 10-bit packets. The percentage of a bit sent with error ...

A: Introduction: Denote X as the random variable of interest here, which is the number of bad bits in a...