How many ways can three students be selected at random such that NO student comes from Luzon and Mindanao. (2) How many ways can three students be selected at random such that all of them come from any of the three places.

Q: Illustration. 16.75. If A, A, and A, be any three events prove that 3 P(A +A + Az) =EP(A;) -EP(A;A;)...

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Q: Give atleast 10 examples of nonverbal cues in Cambodia.

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A: Mean of sampling distribution,  Then x̄= ΣXi/n =(11+5+7+11+10+13+13+11+9)/9 =10  

Q: Which statement is not true about confidence level? A.) 99 percent confidence interval procedure has...

A: We use Z table to find the critical value. 

Q: Illustration 16.19. A bag contains 4 white and 5 black balls and another bag contains 6 white and 10...

A: Here, P(White |Bag 1) =4/9 P(White |Bag 2) = 6/16 P(Bag 1) =1/2 P(Bag 2) =1/2

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Q: In a poker hand consisting of 5 cards, find the probability of holding (a) 3 aces; (b) 4 hearts and ...

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Q: An engineering professor conducted a survey regarding the favorite subjects of the students. The fol...

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A: Px(x)={43x 1x2} ; 1≤x≤4 0; otherwise 

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Q: The large airline company, Cloudscape, knows from experience that only 77% of the passengers booked ...

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Q: Discrete Probability Distributions: Suppose that Pain Away, a new drug, is effective for 85% of the ...

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Q: 1. Suppose that X is a binomial random variable with n = 200 and p = 0.4. Find the probability PCX <...

A: Given: n = 200 p = 0.4    

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A: We have,

Q: Please answer all. Thank you. A national random sample of 20 NCAE Scores from 2010 is listed below. ...

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Q: ,what is the probability that at least one head is obtained?

A: here given coin is tossed 4 times n= 4 probability of head =p =0.5 q = 1-p =0.5 here use binomial di...

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A: Given function is f(x)=13e-x3      if x≥00                if x&lt;0

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A: as per company guidelines I solved only First questions ..thank you 

Q: Three piggy banks each contain 20 coins: • Piggy Bank # 1 contains 12 gold coins, 5 silver coins and...

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A: Here Given  Mark decided to take short exam which has 10 Questions and each has 4 possible answers.

Q: 下riday Day of the Week no. of unit sol0 mon tue wed 4 Thu Sat dNT 3 Sunday 3.

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Q: Round your answers to 4 decimal digits. An appliance dealer sells three different models of upright...

A: Find  Mean, standard deviations  Farmula used  V(X)=E(X2)-(E(X))2  Sd(X)=√V(X)   

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A: Let A represents 'a child tickets is bought for a play' and B represents 'the play is performed in t...

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A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted....  ...

Q: llustration 16.81. Two packs of cards are made up in such a way that the first pack consists of 39 r...

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Q: The probability distribution for the number of students in Statistics classes offered at a small col...

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Q: elved are tracked using sortware that can tell the e-mali sender when, where, and on what type of de...

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Q: Exercise 6.1 The sick-leave time of employees in a firm in a month is normally with a mean of 100 ho...

A: Given,mean(μ)=100standard deviation(σ)=20

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Q: How many different arrangements of 4 letters can be formed if the first letter must be W or K (repea...

A: Total no.of letters(A to Z)=26

Q: Which of the following statements is true? (A) Events B and M are independent. (B) Events B and E ar...

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Q: Upload the picture of your solutions) If you flip a coin 8 times, you get a sequence of Heads (H) a...

A: Given that; If you flip a coin 8 times, you get a sequence of Heads (H) and tails (T)  A coin has tw...

Q: You flip a fair coin twice. X is 2 if the first coin is heads and 4 if the first coin is tails. Y is...

A: Given  As X and Y are independent variables here Var(X + Y) = Var(X) + Var(Y) as the covariance term...

Q: Which Among z score corresponds to the middle 30 percent. A.) plus minus 0.25 B.) plus minus 0.39 C....

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Q: Please answer all. Thank you. A 95 percent confidence interval for the mean can be interpreted mean ...

A: We have give that the statement 95% confidence interval for the mean can be interpreted   

Q: Which of the following summarizes the sample by a single number that is an estimate of the populatio...

A: Point estimate: The sample by a single number that is an estimate of the population parameter is kno...

Q: Suppose that the hazard rate of a certain continuous positive random variable is given by 4t+4. Find...

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Q: lim (x + 5)(2x + 5) 1) (x – 2) (b) x → * (3x + ·

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Q: 2. The joint density function of X and Y is given by fxv(x,y) = {@*y* Scxy2 x – 1< y<1-x, 0 <x<1 els...

A: As per the policy we are providing you the solution of first 3 sub parts . You can ask remaining que...

Q: How many ways can Susan assign someone to buy​ beverages, someone to arrange for​ food, and someone ...

A: Here Given  Susan Has 9 Friends   (Vicki, Luis,​ Maddy, Hank, Rob, Sean, Marie, Roy, and Jeanne)