find k? |X=xi P(X=xi) 1 4k 2 k 3 2k 4 3k
Q: A and B are mutually exclusive events. If P(A)=0.07692 and P(B)-0.25, what is the probability P(AUB)…
A: We have given that P( A ) = 0.07692 P( B ) = 0.25
Q: Find the standard deviation of -2, 7.2, 6.9, -10.4, 5.3. O a. 6 O b. 7 O C. 6.78 d. 6.9 O
A: Data given -2,7.2,6.9,-10.4,5.3
Q: The probability distribution for the random variable, x, is x:2, 2.5,3.0,3.5,4.0 ,4.5 and P(x):0.07,…
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Q: E (XY)=E (X)E (Y) if x and y are in O a. True
A: The statement is E(xy)=E(x)E(y) if x and y are independent.
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A: Given data: Drug A Drug B 8 14 9 12 11 11 14 11 10 12 9 12 12 11 6 14 10 9 11…
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Q: The purpose of this assignment is to review and understand basics of statistics by learning key…
A: Since you have asked multiple question, according to our guidelines we will solve the first question…
Q: An engineer must decide between two ways to pump concrete to the top of a seven-story building. Plan…
A: Plan 1: Leasing cost : $60,000 Total cost of delivering concrete in a year = 5*100*50 = $2,500 Total…
Q: Testing for a disease can be made more efficient by combining samples. If the samples from six…
A: Given that: Success probability, p=0.05 Sample size, n=6
Q: If S = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, and A = {0, 2, 4, 6, 8}, B = {1, 3, 5, 7, 9}, C = {4, 5, 6,…
A: S = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, and A = {0, 2, 4, 6, 8}, B = {1, 3, 5, 7, 9}, C = {4, 5, 6, 7},…
Q: Which of the following scenarios are either not accounted for or measured inaccurately by either the…
A: Valid options are: b) The value of babysitting services, when the babysitter is paid in cash and…
Q: Suppose 2000 students did an exam so the list of 2000 exam marks is a quantitative variable X. Also…
A:
Q: Having the text (A A A BA CBCCBBAAADB B B C D). Find The information content in (C) O a. O O C. O…
A: Given information: Text: A A A B A C B C C B B A A A D B B B C D
Q: III. Mean, Variance and Standard Deviation of Discrete Random Variable bers (15-17). Determine the…
A: We have to find mean and Sd for given data. As per guideline expert have to answer one question…
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A: Since 95% confidence is required, c = 0.95. zc (z-score) at the 95th percentile = 1.96. E = 10…
Q: signment will assess your ability to calculate t andard deviation of a set of data. The weights o
A: Median is one of the measure of central tendency. Median shows middle value for given data set.…
Q: Sep 3 at 4:32pm Instructions a 25 question multiple-choice exam. You have 60 minutes. Question 8 For…
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Q: (a) What percentage of books last longer than 10 years? (b) What percentage of books last less than…
A: Given: The lifespan of all high school text book is approximately normal with μ=9 yearsσ=2.5 years
Q: Suppose 2000 students did an exam so the list of 2000 exam marks is a quantitative variable X. Also…
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Q: The FBI wants to determine the effectiveness of their 10 Most Wanted list. To do so, they need to…
A: Given that Number of sample =306 Number of captured=100 We have to find the proportion of people who…
Q: Hello please help me with the statistics problem as I am very confused. I have attached the file…
A: Introduction: It is required to present the data in the suggested format, and obtain the relative…
Q: The mean playing time for a large collection of compact discs is 34 minutes, and the standard…
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Q: 319 270 59 245 30 der Accurate 131 der Not Accurate 37 17 rder is selected, find the probability of…
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Q: Data was collected for 300 fish from the North Atlantic. The length of the fish (in mm) is…
A: The frequency distribution of lengths of the fishes is given.
Q: A car is driving at 40 kilometers per hour. How far, in meters, does it travel in 2 seconds? meters…
A: We have given that Speed = 40 kilometer per hour time = 2 second
Q: Tom tossed a regular coin five times. He got HEAD, TAIL, HEAD, HEAD, and HEAD. If he continues to…
A: Given: Number of tosses = 5 n (new tosses) = 2 As it is a regular coin, P(heads) = P(tails) = 0.50
Q: A discrete random variable has probability distribution: x= 1, 2,3,4, 5 and P(x) =0.12,0.15, 0.23,…
A: Given that Standard deviation =1.6339 We have to find true or false
Q: Find median and mode of the messages received on 9 consecutive days 15, 11, 9, 5, 18, 4, 15, 13, 17.…
A: Median is the measure of central tendency. It divide the data set into two equal halves. It is the…
Q: Suppose that P(A) = 0.46, P(C | A) = = (Hint: Draw a tree diagram first) 0.0065, and P(C"' | A') =…
A: Tree diagram are like tree like structure that used to make decision about the problem. It has…
Q: The probability distribution for the random variable,x, is x: 2, 2.5,3.0,3.5,4.0,4.5…
A: Given: x P(x) 2 0.07 2.5 0.36 3 0.21 3.5 0.19 4 0.1 4.5 0.07 Total 1
Q: given by f(z) = e²²,0 <=z <=10 Calculate the probability that z is less than 0.5
A: Given information: fz=e-z, 0≤z≤10
Q: 7c
A: as you say i give only 7c answer
Q: for the binary system if the entropy =0.9710 so the probabilities are:
A: Formula for Entropy: option a: Entropy=−[(0.3*ln2(0.3))+(0.7*ln2(0.7))]…
Q: Here is a data set summarized as a stem-and-leaf plot: Stem Leaf 6 1 2 2 3 4 9 7 2 2 2 2 4 9 9 8 4…
A: The stem and Leaf plot is given.
Q: Determine whether the given procedure results in a binomial distribution (or a distribution that can…
A: Given that Sample size (n)=50 50 Couple gives 50 birth We have to find : Does the procedure…
Q: Jack has surveyed their 25 classmates about the number of cars in their household and received the…
A: No. of cars Frequency 0 3 1 3 2 4 3 4 4 5 5 4 6 2 Total
Q: Based on the histogram above, what is the frequency of the class containing the value 14
A:
Q: Here is a data set: 20 22 22 39 37 43 33 38 39 45 31 27 26 30 53 32 20 36 56 32 30 38 29 55 37 43 41…
A: Data given 20,22,22,39,37 43,33,38,39,45 31,27,26,30,53 32,20,36,56,32 30,38,29,55,37 43,41,43,21,32…
Q: a stream of Suppose that a system generates upper case alphabetic characters and that the…
A: Given information: A system generates a stream of upper case alphabetic characters and probability…
Q: P(c ≤ Z ≤ 1.21) = 0.8477 determine C value / true, suppouse Z follows the standard normal…
A: Given that P(c ≤ Z ≤ 1.21) = 0.8477 Find the value of " c "
Q: The set S = {x | x is a continent}. A. S = {N. America, S. America, Europe, Asia, Africa, Australia,…
A: Given: ( The set S = {x | x is a continent} Then write the set S
Q: Tires are among the most commonly replaced parts on vehicles. They are not cheap and shopping for…
A: Given information: The lower bound of the 95% confidence interval of the mean mileage for the tires…
Q: Suppose that the sample of data that you are given is as follows: Observation Value 18 -5 23 16 4 45…
A: Given data:
Q: IV. Normal Distribution and its Application. A. Find the indicated area under normal curve, then…
A: We will use Excel to find the area under Standard Normal curve. Note : According to our guidelines…
Q: Having the text (A A A BA CBCCBBAAADB B B C D). Find The information content in (C) O a. 4/20 O b.…
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Q: 6. To the right of 2 - 6.78 7. To the right of z = 0.8 8.To the left of z= -2.31
A: It is given that the different z-scores of standard normal random variable Z. Here, need to find out…
Q: 1. Let F(x, y) = 1 0 if x + 2y ≥ 1 if x + 2y < 1 Does F defines the DF in the plane?
A:
Q: given by f(z) = e²,0 <=z <=10 Calculate the probability that z is less than 0.5 O O a. b. 0.83 0.393…
A: Obtain the probability that the Z is less than 0.5. The probability that the Z is less than 0.5 is…
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