Probability Question
Q: give me examples of different situation that shows two quantities that are directly related and inve...
A: When the ratio of two quantities comes out to be constant, then it is inferred that they are directl...
Q: Project A has the following probability distribution of expected future returns: Probabality ...
A: The expected future worth for Project A is: E(X)=∑i(xipi)=0.1(-16000)+0.2(4000)+0.4(16000)+0.2(2500...
Q: In Our daily life use of probability? give some example?
A: Example 1: In the news, we hear the probability of raining today / sunny today/ cloudy today. This ...
Q: SAT scores are distributed with a mean of 1,500 and a standard deviation of 300. You are interested ...
A: Mean SAT score : μ = 1500Standard deviation of SAT score : σ = 300The margin of error for the 95% co...
Q: 14
A: It is given that, Xi's, i=1,2,...,100 be a random sample of size 100 from a population with mean 1/2...
Q: Do you have any idea about conditional probability? Formulate a mathematical problem to explain cond...
A: If happening of one event is dependent on happening of another event, then concept of conditional pr...
Q: 3
A:
Q: It was observed that 30 of the 100 randomly selected students smoked. Find the confidence interval e...
A: Given Data: x=30 n=100 p^=xn=30100=0.3
Q: Frank can file 140 books in 2.5 days. How many days does he need to file 490 books?
A: Given that, Frank can file 140 books in 2.5 days. So he ca file 1 book in (2.5/140) days.
Q: What is the probabilities associated with the normal distribution of a P(z >= .23) =, P(z
A: Z score is given z = 0.23 Using Excel formula =NOMSDIST(0.23) or Z table we find the probabilities ...
Q: Find the limit if it exists, or show that it does not exist. xy lim (x,y)→(0,0) x2 + y8
A: Breaking it down to two steps, first putting limit as x tending to 0, then y tending to 0 because n...
Q: Alan Baker interested in the number of chairs per household people have. Please finish the calculati...
A: Given - The Given data are, 8,7,8,14,16,7 To Find i) Mean ii Median iii) M...
Q: Plzz explain a and b question...
A: A B C D Total Order accurate 328 265 238 148 979 Order not accurate 36 57 31 11 135 Total 36...
Q: Question Engineers must consider the breadths of male heads when designing helmets. The company rese...
A:
Q: Complete the given table below by writing directly the needed data. Show complete solution in solvin...
A: Computation: From the table, The value of mean is,
Q: The number of defective parts produced per shift can be modeled using a dis random variable. Assume ...
A: Let us define the random variable X as the number of defective parts produced follows Poisson distri...
Q: Fast
A:
Q: An urn contains 20 chips numbered 1 to 20. The chips numbered 1 to 12 are blue; the rest are red. 5 ...
A: Given: Total number of chips N=20 numbered as 1,2,...,20 Blue Chips=1,2,...,12 Number of blue chips ...
Q: The scatter plot shows the number of years of experience, x, and the hourly pay rate, y, for each of...
A: a) If a cashier does not have any experience then x=0. For x=0, y=0.93(0)+8.07=8.07 So the predicted...
Q: An average of 4 people come to a cash register in a shopping center per minute. Assuming that custom...
A: Given : Lambda = λ = 4 Poisson distribution : P (X = x) = e-λ λxx!
Q: There are 4 men and 8 women auditioning to be in the school play. Answer the following questions: 1...
A: 1) We can select 2 men from 4 men in 4C2=6 ways We can select 2 women from 8 women in 8C2=28 ways. E...
Q: The distribution of number of stores according to size in 3 areas is given in the following table: A...
A: Condition for Independence: Let A and B are two events, If P(A and B)=P(A)*P(B), then A and B are in...
Q: Which of the following is false for continuous and independent random variables Y and Z?
A: Correct answer is B. E(Y|Z=z) = ∫-∞∞ yf(y|z) dz
Q: Is this correct? Am I looking at this correctly or should I use a ph stat formula?
A: Given: A rated 70% of 100=70 B rated 20% of 100=20 C rated 20% of 100=20 From A, 50% for cities ...
Q: Suppose that the proportions of blood phenotypes in a particular population are as follows: A ...
A: We have, the proportions of blood phenotypes in a particular population are as follows: A B ...
Q: Find the 90% confidence interval. Enter your answer as an open-interval (i.e., parentheses) accurate...
A: Consider the data. The table with the necessary calculations is shown as follows: x x−¯x (x−...
Q: The table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 4 4...
A: Given information: Test score(x) frequency(f) 3 0 4 4 5 4 6 2 7 1 8 2 9 1 10 1 ...
Q: 12
A: Correct answer is (a). 1.81 Reason:
Q: Can you explain or write how the revised column would be interpreted?
A: To Calculate Revised probabilities, first we Calculate joint probabilities for both the events. Joi...
Q: Suppose that a survey was carried out in New York, and each respondent was faced with the following ...
A: The probability that a digit is either even or odd is equally likely with the probability 0.5, ⇒PYes...
Q: Waiting time at a supermarket checkout counter is smooth in the range of (0; 15) minutes. have the d...
A: Given : Range (0 , 15) minutes Number of times person going to super market = 4
Q: 1. 1. The American Journal of Public Health (July 1995) published a study of the relationship betwee...
A: Note: Hey, since there are multiple questions posted, we will answer first question. If you want any...
Q: For the data shown, answer the questions. Round to 2 decimal places. 2.5 17.4 14.5 21.6 14.6 12.3 11...
A: Step-by-step procedure to obtain the mean, median and the standard deviation using Excel is given be...
Q: (a) List the four axioms of probability (b) Enumerate four postulates of probability
A: Axioms of probability : Axiom 1: For any event A, P(A)≥0. Axiom 2: Probability of the sample space S...
Q: What is the probability of p(
A: Here total number of position in spinner = 12 Hence P(<2) = 1/12 answer
Q: 6. In the table beloe provides predicted population data about the world and India.RegionPredicted P...
A: Given data is: Predicted Population (millions)Region: 2035 ...
Q: A ball is drawn at random from an urn containing one red and one whiteball. If the white ball is dra...
A: Given an urn containing one red and one white ball. Total balls = 2 Therefore, The probability of d...
Q: Probability & Sampling 7.6ACEHI:Question 5 Sammy conducts an experiment with three quarters. He coun...
A: Given: The table with the events and the frequency is shown below Result Occurrence HHH 10 HH...
Q: Using PH stat how would you solve this? The joint probability feature only allows for 2 scenarios. W...
A: Given:
Q: There are 10 apples in a basket. 3 of these apples are rotten. If a person randomly selects 3 apples...
A: Given that, there are 10 apples in a basket. 3 of these apples are rotten. Hence, PApples are rotten...
Q: A company makes parts for a machine. The lengths of the parts must be within certain limits or they ...
A: The mean of the length of the parts is 3.5 m. The standard deviation of the parts is 0.009 m. The pe...
Q: 1. Suppose 100,000 tickets are sold on a lottery. Three prizes are at stake; P25,000 for the first, ...
A: Given that there are 100000 tickets that are sold. There is only one first, second, and third prize...
Q: Solve part a , b
A: Given information:- Colour Blue Yellow Green Pink Orange Probability 0.22 0.34 0.12 Let ...
Q: If "X" is the number of heads observed in flipping of coin distribution function three time s. Find ...
A: Outcomes or sample space of the flipping of coin three-times is S = {(H,H,H),(H,H,T),(H,T,H),(T,H,H...
Q: An identification number is a sequence of 6 digits (0 – 9). A digit may repeat. The number of identi...
A: There are total 10 digits from 0 to 9. So number of ways to select one digit from 0 to 9 is 10. Let'...
Q: A card is pulled a deck of cards and noted. The card is then replaced, the deck is shuffled, and a s...
A: Total number of ace cards in deck of card = 4 Total number of cards= 52 Probability that first card...
Q: An automobile manufacturing plant produced 33 vehicles today: 10 were sedans, 6 were trucks, and 17 ...
A: Given, No of sedans=10 No of trucks=6 No of vans=17 Total vehicles=33 P(Selecting 2 vans)=?
Q: Assume that the population standard deviation on each part of the test is 100.a) What is the probabi...
A: a). Given that: μ=502σ=100n=90 The z value of given data within 10 points of population mean: z=x-μσ...
Q: Consider the data set 7 8 2 3 3 5 2 Find the average (mean): Find the median: Question Help: Video 1...
A:
Q: 1.A club with 15 members will choose 3 of them to attend a meeting. In how many different ways can t...
A: Given that there are total 15 members and we will choose 3 of them. Since we will pick 3 persons in ...
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