The standard deviation A) All of these are correct. B) cannot be negative. C) is based on squared deviations from the mean. D) is in the same units as the mean. acer

Q: questions, each An examination consists of multiple-choice having five possible answers. Suppose you…

A: Event  A you know the answer B you guess the answer  C your answer is correct  P(A) = 0.75 P(B) =…

Q: a. What is the probability that exactly 10 are from their elementary school? b. What is the…

A: here given  ,  In one of the Biggest school in Metro Manila , 80% of their high school students are…

Q: 4. There are 256 children in the juniors. a) Half have sandwiches, how many have school dinners? b)…

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Q: Q2/suppose there were six kinds of toppings that one could order for a pizza. How many combinations…

A: Here given there were six kinds of toppings that one could order for pizza  Here use counting…

Q: When estimating the mean age of a population of 5000 individuals, a simple random sample of 50…

A:

Q: The probability distribution for the random variable,x, is x: 2, 2.5,3.0,3.5,4.0,4.5 and…

A: X 2 2.5 3 3.5 4 4.5 Total P(X) 0.07 0.36 0.21 0.19 0.10 0.07 1

Q: a) Example 5.5, Let 0.6 = probability that a patient recovers from a spread disease. If 12 people…

A: X~Bin(n,p) P(X=x)=nCxpx(1-p)n-x x=0,1,2,..,n  Farmula used nCx=n!/(x!(n-x)!)…

Q: Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced…

A: GivenTotal no. of cards in a standard deck = 52No. of "10" cards in a deck = 4No. of "5" cards in a…

Q: 5. Write an explicit formula for the sequence 2, 3, 6, 11, 18,... O an = n² + n O an an = n² + 3 O…

A: Given problem Given that   5) Write an explicit formula for the sequence 2, 3, 6, 11, 18, ... Ans)…

Q: Six girls and five boys wish to join a ski trip. Four of them will be selected at random. What is…

A: Answer:-   Given 6 girls and 5 boys wish to join a ski trip                Total are = 6 + 5  = 11…

Q: (a) Identify the claim and state Ho and Ha Ho: P = 11.7 H₂H # 11.7 (Type integers or decimals. Do…

A: HERE  GIVEN ,  An oceanographer claims that the mean dive duration of a North Atlantic right whale…

Q: If the average number of rodents in a cotton farm whose swabs are 20 dunums is 2 per dunum,…

A: poisson distribution is given by

Q: Q2/suppose there were six kinds of toppings that one could order for a pizza. How many combinations…

A: Solution-: Given: There are 6 kinds of toppings that one could order for a pizza.  How many…

Q: A random sample of 50 employees is chosen from a company. The average salary of the 50 employees is…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Banach space and T E B(X) an operator with 1+ ||T||

A: To prove, id+T=1+T

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Q: 2. Suppose that a password for a computer system must have at least 8, but no more than 12,…

A: As Dr. S. N. De said "A permutation of a set is defined as an arrangement of its members into a…

Q: For numbers 1-5. Refer to the table at the right. 1. In which class can you find the location of the…

A: As the question contains multiple sub parts. As per the company guidelines only Hence, first 3…

Q: 4. The number of kilograms of bananas sold by a certain fruit vendor over a year follows a Poisson…

A: Given,average no.of bananas per day(λ)=52mean(μ)=52standard deviation(σ)=52

Q: Brad has to select 5 students from a class of 43 girls and 21 boys. What is the probability that…

A: GivenNo.of girls in a class = 43No.of boys in a class = 21Total no. of boys = 64

Q: Suppose that the probability that iraqi man has a high blood pressure is 0.15. If we randomly select…

A: Given,n=6p=0.15q=1-0.15=0.85A random variable X~Binomial(n=6 , p=0.15)P(X=x)=Cx6 0.15x0.856-x  ;…

Q: andom variable has probability stribution: x= 0,1, 2 ,3 ,4, 5,6,7 and P…

A: We know that the  By total probability law, sum of all the probabilities of a random variable is…

Q: Classify the following statement as an example of classical probability, empirical probability, or…

A: The provided example is  The probability of choosing 6 numbers from 1 to 38 that match 6 numbers…

Q: ) Compute the upper and lower control limits if samples of size 6 are to be used. (R UCL = 134.85 x…

A: It is given that Mean = 127.5 SD = 0.4 And sample size n = 6

Q: If the average number of rodents in a cotton farm with a surface area of 20 dunams is 2 per dunum,…

A: Given : Mean =  λ = 2

Q: What happens to the width of a confidence interval as we increase confidence level, i.e as we…

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Q: iv) two of the numbers are the same and the remaining number is different (a "single pair").

A: here given ,  three fair six sided dice are rolled  probability of rolling each number  = 1/ 6…

Q: (1) P(X = 2) P(2 < X < 4).

A: here given ,  Cumulative Distribution of x for Cumulative Distribution  p(X ≤ x) = F(x)

Q: f(x, y) = ) = (x ² + 232,0. +3,0 < x < 1,0 < y < 2, elsewhere. 0, g(x)= 2x (x + 1/3), h(y)= 1/3 +…

A: Given f(x,y)= x2+xy/3 ;0&lt;x&lt;1, 0&lt;y&lt;2  Note: According to Bartleby guidelines expert solve…

Q: The water content of soil from a borrow site is normally distributed with a mean of μ = 14.2% and…

A: Given data: Mean = 14.2 % Population standard deviation  = 2 3%

Q: a. What is the probability that all the three grade 11 students are included? b. What is the…

A: here in given problem no need of graph or curve  here given in group of 10 students , there are 3…

Q: According to CBS Money Watch, the average monthly household cellu phone bill is $100. Suppose…

A: It is given that the mean is 100 and the standard deviation is 11.35.

Q: 3. [Maximum mark: 5] The times taken for a group of runners to complete a half-marathon are found to…

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Q: I want it through probability and random variables with maximum speed Q4: A- If the average number…

A: poisson distribution is given by

Q: Q1) c- The probability of twice withdraw the same ball from a box contains 25 balls, 5 balls are…

A: Given that ,  A box contain 25 balls . Out of this, 5 are white balls , 7 are blue balls and 9 are…

Q: Given a deck of 52 playing cards, in how many ways can a hand of 5 cards be dealt such that all are…

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Q: times at each screening station follow an exponential distribution and that arrivals follow a…

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Q: In a sample of 5 courses with no support course the average final of 200 students was 70% with a…

A: As per our guidelines we are suppose to answer only one question. Given,sample size(n)=200sample…

Q: Is the given statement true or false? nC₁= "Cn-r O a. False b. True O

A: Given: nCr = nCn-r

Q: Given A and B in Ω with p(A)=0.45, p(B)=0.75 and p(B-A)=0.5, calculate p(B|AUB)

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Q: A variable that can assume any value between two given points is called Continuous random variable…

A: In above question we will discuss about continuous random variable and whether above statement is…

Q: questions, each An examination consists of multiple-choice having five possible answers. Suppose you…

A: Let A= Give the answer B= knew the answer

Q: Classify the following statement as an example of classical probability, empirical probability, or…

A: We have to find type of probability used.  Probability of choosing 5 number from 1 to 58 that…

Q: Don’t show explanation

A: Residual = Observed value – predicted value e = y – ŷ

Q: If 5 cards were picked at random from a deck of 52 cards, find P(Exactly 2 are hearts)?

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Q: Suppose a jar contains 15 red marbles and 26 blue marbles. If you reach in the jar and pull out 2…

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Q: Hannah is a student and an online seller. She sells Personal Preventive Equipment (PPE) like face…

A: Note: If the post contains multiple subparts, only allow to do first three subparts as per…

Q: Assume you are taking Sr. Design I this semester, and now you must select your partner(s). There are…

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Q: What is the probability that this customer is one of the careful customers?

A: here define events  customer is Reckless  = R customer is Careful = C  customer has an accident…

Q: the number of combinations of 10 distinct objects taken six at a time = the number of combinations…

A: Coimbation is the measure used to determine the number of possible arrangement of data. It does not…