. How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by 5 and none of the digits is repeated? O 60 O 120 O 20 O 30

Q: 1. What are normal distributions, and why are they sometimes referred to as bell curves?

A: Question : What are normal distributions, and why are they sometimes referred to as bell curves?

Q: many different possibilities are there for arranging the

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Q: One hundred children were asked, "Do you like mommy or daddy" Of the 33 who answered "Daddy" to the…

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: hown below are the number of trials and success probability for some Bernoulli trials. Let X denote…

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Q: The standard deviation A) All of these are correct. B) cannot be negative. C) is based on squared…

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Q: In a box containing 8 red balls, 8 green balls and 8 blue balls where 3 balls will be drawn in…

A: Answer:-  GIVEN  In a box containing 8 red balls, 8 green balls and 8 blue balls              where…

Q: a. Determine the variance of 2

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Q: Q4/ The average on a statistics test was 78 with a standard deviation of 8. If the test scores are…

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Q: If the probability distribution of a continuous random variable that has values between y = 1 and 3…

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Q: A recent survey found that 70% of all adults over 50 wear glasses for driving. In a random sample of…

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Q: Q3/ The probability that a consumer will rate a new antipollution device for cars What are the…

A: Given: Rate Very poor Poor Fair Good Very Good Excellent Probability 0.07 0.12 0.17 0.32 0.21…

Q: Q6/ Find the probabilities that a random variable having the standard normal distribution will take…

A: here given ,  a random variable with standard normal distribution have mean = 0 and Standard…

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

A: Given that there are 6 kinds of toppings  and 3 toppings are selected for the order. Let n=number of…

Q: A baseball player's batting average is 0.341, which can be interpreted as the probability that he…

A: Solution  Given That, A baseball player's batting average is 0.341, which can be interpreted as the…

Q: A. What is the probability that the chosen driver is wearing seatbelt and driving not under…

A: Suppose a study of driving under influence and driving without seatbelt produced the following data:…

Q: 4. Let X denote the mean of a random sample of size n from the distribution N(u, 10) and P(x -…

A: here given ,  p(x¯ - 12 < μ < x¯ + 12) =  0.964  here population  follow normal distribution…

Q: 10- The following Markov chain is irreducible /1/3 0 0 0 1 1/5 2/31 0 4/5/

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Q: A laundry shop averages 5 customers per hour. Assume that the number of customers is a Poisson…

A: Given that Averages 5 customers per hour.  Using Poisson distribution A. What is the probability…

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: The random variables A and B have variances 0.2 and 0.5 respectively. Let T= 5A+2B. The variance of…

A: Here given  Var(A) = 0.2 Var(B) = 0.5 T = 5 A + 2B

Q: 6 6.9 7 6.78 .a O .b .CO .d

A: Given Data -2, 7.2,6.9,-10.4, 5.3

Q: Use the Test for Independence to determine if events A and B are independent. P(A) = 0.7, P(B) =…

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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: The ages of the population of 2,000 women are normally distributed with a mean of 35 years and…

A: Answer:- Given, the age of the population of n  = 2000 women are normally distributed…

Q: Two fair dice are thrown. Find the probability that the sum is a perfect square. a. 7/36 b. 1/6…

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Q: OTE will be given! STATISTICS AND PROBABILITY MULTIPLE CHOICE A public bus company official…

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Q: Question 2 x 1 | | | | (a) PX = 2) (b) PX > −2) (c) P(−1 < X <1) (d) PX < -1 or _X = 2) 2

A: Given data is x -2 -1 0 1 2 f(x) 1/8 2/8 2/8 2/8 1/8

Q: Drawing a blue marble? ?(P( Answer )=)= Answer Drawing a marble that is…

A: According to our guidelines, we can answer only three sub-parts. So, please repost the rest parts.

Q: let R be the random variable representing the number of red balls chosen. What is f(3)?

A: In a box containing 8 red balls, 8 green balls and 8 blue balls where 3 balls will be drawn in…

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

A: To find: The probability that both are red marbles.

Q: The probability a chip is manufactured to an acceptable standard is 0.87. A sample of six chips is…

A: Given data: P = 0.87 n = 6

Q: A survey conducted for the Northwestern National Life Insurance Company revealed that 70% of…

A: It is given that n = 20 and p = 0.70.

Q: At one point, license plates in a certain state consisted of 2 letters (excluding I, O, Q, and W),…

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Q: In a box containing 8 red balls, 8 green balls and 8 blue balls where 3 balls will be drawn in…

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Q: STATISTICS AND PROBABILITY. No long explanation needed. Rate will be given! Multiple Choice In…

A: Solution

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

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Q: The average number of cycles of charging of rechargeable batteries manufactures in a certain factory…

A: Given that mean = 485 Standard deviation = 32 P ( 450 &lt; x &lt; 550 ) = ?

Q: Q3/ The probability that a consumer will rate a new antipollution device for cars What are the…

A: Given: Rate very poor poor fair good very good Excellent Probability 0.07 0.12 0.17 0.32 0.21…

Q: probability that the number on the ticket is divisible by 2 or 3 is

A: here given ,  A bag contains 100 tickets Numbered 1,2,3,....100  there are total 100/2 =  50 Numbers…

Q: a. Determine b. Determine the expected the expected value of x value of Y

A: EX=∫01X*g(X)dx=∫X2XX+13dx=∫2X2X+13dx=∫2X3+2X23dx=2X4401+23X3301=12+29=0.722

Q: A shipment of two boxes, each containing eight telephones, is received by a store. Box 1 contains…

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Q: 14- If the p. d. f of a random variable X is f(x) = 2,0 ≤ x ≤ 2, then P(X> 1.5|X > 1) is (a) 0.5833…

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Q: In a box containing 8 red balls, 8 green balls and 8 blue balls where 3 balls will be drawn in…

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Q: In how many ways could 5 chocolate bars be choosen from a display of 10 chocolate bars? a. 50 b.…

A: Given No.of chocolate bars in display(n)=10No.of chocolate bars to be choosen(r)=5

Q: If X and Y are random variables having the joint density function f(x,y) = (6-x-y), 0<x<2, 2<y<4.…

A: Here Given joint pdf of two random variable x and y f(x,y) = 186-x-y , 0&lt;x&lt;2, 2&lt;y&lt;4

Q: Which set of data would probably show a strong positive linear correlation?

A: here use Correlation  Correlation are positive , negative or No correlation  if there is Increase in…

Q: 1. At the horse races, the chances of a horse winning is expressed as odds against. In the first…

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Q: The table shows a random sample of musicians and how they learned to play their instruments. Gender…

A: P(musician is a female AND had private instructor)

Q: Do students perform worse when they take an exam alone than when they take an exam in a classroom…

A: From the provided information, Sample size (n) = 8 Level of significance (α) = 0.05

Q: rovide an appropriate response. Use the Standard Normal Table to find the probability. An airline…

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