Faults occur on a piece of string at an average rate of one every three   metres. Bobbins, each containing 5 metres of this string are to be used. What is the probability   that a randomly selected bobbin will contain (a) two faults.  (b) at least two faults.

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Q: Assumed a source produces only two digits ("1" and "0") with probabilities of 0.6 and 0.4, What…

A: P(1)= 0.6, P(0)= 0.4 (i). For zeros, n= 5, p= 0.4 Hence X~Binomial(5,0.4) P(x)= nCxpx(1-p)n-x…

Q: N Let y (0) X ~ Bin 0.3 {0.4

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Q: Show that if A, and A, are two events, then P(A)+P(A₂)−1≤P(44₂).

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A: According to guidelines we solve only first question when given questions are different.

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Q: The average test score for the entire college is 80 with a standard deviation of 12. Using a 95%…

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Q: An elementary school is offering (3) language Classes one in spanish. in Spanish 6 one in French,…

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Q: If A and B are independent events with P(A)=0.7 and P(B)=0.6, then find P(AUB). A. 1.3 B. 0.88 C.…

A: The union probability for any two events A and B is defined as P(A ∪ B) = P(A)  + P(B) – P(A ∩ B).

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Q: There are 4 white, 2 pink, and 2 blue marbles in a hat. You pick 2 marbles from the hat. Marbles are…

A: There are 4 white, 2 pink, and 2 blue marbles in the hat.

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A: given data

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Q: Answer and show complete solution. Pls don't reject In a study on the settlement of piles used in…

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Q: The personnel department of a particular company has observed that 20% of the people the company…

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Q: d. Draw the Probability Mass Function Plot.

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Q: Calculate P(2.7<x<3)

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Q: If the scores follow normal distribution with a mean of 120, a standard deviation of 10, find…

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Q: Discribe a specific time in real life where a population being surveyed is appropriate. What data…

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Q: use, on average, less than 46 kilowatt hours?. Assume the population of kilowatt Homs to be normal.…

A: here,  given. population mean=μ=46 kilometers hours per year  sample mean=42 kilometer hours per…

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Q: Length of stay is the total of wait and service times. Some longer stays are also approximated as 15…

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Q: wo cards are drawn from a shuffled deck of cards. Make a probability distribution table where random…

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A: Given :

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Q: Find the probability. Assume that the spinner 12. You roll a cube which has the numbers 10, 12, 13,…

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Q: By using the definition of sample space and events to solve this problem） An unbiased die is tossed…

A: Here, n = 7 and p =13 (probability of getting one or six in tossing a die).

Q: Jensen, arriving at a bus stop, just misses the bus. Suppose that he decides to walk if the (next)…

A: A continuous random variable X is said to follow Uniform distribution with parameters a and b, if…

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Q: From past experiences, a basketball club owner knows that about 4 games, on average, will have to be…

A: GivenOn average 4 games are postponed during the season because of rainλ=4let "x" be the no.of games…

Q: What value of k will make the table a probability mass function? * X 2 4 6 2 k k P(x) 15 3 3 -1 1/3…

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Q: Find probabilities to complete the sentences. The probability that Yuri will make a free throw is…

A: The probability that Yuri will make a free throw is 0.3.

Q: spinner below has been with 8 equal regions. When the spinner is spun once, find the probability of…

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Q: 9. Red blood cell deficiency may be determined by examining a specimen of the blood under a…

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Q: The following data consists of a matrix of transition probabilities (P) of three competing…

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Q: A cereal company claims that 3 in every 25 people win a prize. What is the probability that you…

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Q: An article in Technometrics ["Two-Way Random Effects Analyses and Gauge R&R Studies" (1999, Vol.…

A: CI=point estimate ± ME

Q: EXAMPLE 2.1 A contractor is planning the acquisition of construction equipment, including…

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Q: The salary of the staff of the company is under the normal distribution. The salaries of the 18…

A: We have given that,  ΣX = 4464, ΣX2 = 1150000, and sample size    (n) = 18 Then,  We will find the…

Q: Evaluate (",) for n = 48.

A: Combination formula : nCr = n!/(n-r)!r!

Q: The probability that event A occurs is 12%. The probability that event Boccurs is 15%. The…

A: List of formulae :  Conditional probability : P(A|B) = P(A and B)P(B) P(B|A) = P(A and B)P(A)…

Q: Using the table: what is the frequency of Decile 7? * Frequency Score 46-50 4 41-45 8 36-40 11 31-35…

A:

Q: A player of a video game is confronted with a series of 4 opponents and a(n) 70% probability of…

A: Given n=4 P=0.70