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Q: 15% of the coupons purchased go unused by the buyer. How likely that 18% of the 500 coupons sold…

A: p = 0.15n = 500p^=0.18

Q: Suppose the customers arrive at a Poisson rate of on eper every 12 minutes, and that the service…

A: Given information: Given that the customers arrive at a Poisson rate of on average per every 12…

Q: If X1, X2,..., X, constitute a random sample of size from a population given by 2(0 – x) for 0 <x <0…

A:

Q: 41: find Second livearly ndependent salution vming reduction of order.

A:

Q: 8) Salve the limuur homegeneous system with the imiter l condibion ] and xl0) - [ 13 ] -13

A: We will find out the required solution.

Q: a man is investigating the populaion of bear in two areas. Area 1 and Area 2. He expect the number…

A: Poisson Distribution: A discrete random variable X is said to follow Poisson distribution with…

Q: Suppose each of 1000 players face a challenge in which a Bernoulli trial is repeated until the first…

A: To find: How many of the 1000 players will achieve the first success within1000 attempts, on…

Q: The following table shows the results of a screening test hypothesized to identify persons at risk…

A: Given A False positive is the incorrect identification of anomalous data as such ie classifying as…

Q: Two separate samples are selected from the same population. Each have an n=8. Both samples receive a…

A: From the provided information, Sample sizes are n1 = 8 and n2 = 8 Level of significance (α) = 0.05…

Q: If an event consists of three stages, where the third stage can happen in n ways and the first and…

A: when Permutations caalculated simultaneusly theen these will multiplied to each other

Q: Suppose that one variable, x, is chosen randomly and uniformly from [0, 5], and another variable, y,…

A:

Q: 6. Sš(vtny - (ylny - )dy 9-у?

A: Solving the following integral in two parts and then combining the results gives the solution.

Q: 3. The manufacturer of a patent medicine claimed that it was at least 90% effective in relieving…

A: Null hypothesis states there is no statistical relationship between the two variables. Alternative…

Q: I. The smoke will not be detected by device CS200 given that it has detected by device WS500. II.…

A: HERE DEFINE EVENTS FROM GIVEN INFORMATION  SMOKE will be detected by device CS200  = A smoke will be…

Q: A 6-foot sub valued at $60 is divided among five players (P1, P2, P3, P4, P5) using the last…

A: The last diminisher method is used to assign the data in an order by pulling out something. It is…

Q: Assuming that workers' salaries in your company are uniformly distributed between $10,000 and…

A: X is uniformly distributed between (10000,40000). P(x&gt;X) = 0.25, find x

Q: 5. Vice versa, a day with how many tornadoes do you expectto see roughly 19 times during a 19-year…

A:

Q: Suppose the time it takes a data collection operator to fill out an electronic form for a database…

A: Solution

Q: Nationally, at least 60% of Ph.D. students have paid assistantships. A college dean feels that this…

A: The claim is, dean feels it is not true that at least 60% Ph.D. Students have paid assistantship.…

Q: In his doctoral thesis, L. A. Beckel (University of Minnesota, 1982) studied the social behavior of…

A: Given that, After extensive observations, Dr. Beckel found that one group of river otters under…

Q: for such a home in a given year is 0.002 and a partial loss of $5000 is 0.005. If you assume that…

A: here as per note given i have calculated answer for Q.5 here An insurance company will insure a…

Q: 7. How many planned to do at most ane of these activities?

A:

Q: If X1, X2,...,Xn constitute a random sample of size n from a population given by 2(0 - x) for 0<x <…

A:

Q: 2. What is the size of the observed difference between the means for Groups A and C? (Subtract the…

A: It is given that Mean for group A = 2.000 Mean for group B = 2.250 Mean for group C = 6.500

Q: Let the random variable X denote the number of trials in ecess of r that are ed to achieve the r-th…

A: Given that,   The random variable X as the number of trails in excess of r that are required to…

Q: 2. The salaries of physicians in a certain speciality are approximately normally dis- tributed.…

A: A continuous random variable X will follow Normal distribution with parameters μ and σ2 if its…

Q: A stake of Rs. 44 is to be won between 2 players A and B, whoever gets 6 in a throw of die…

A: total stake is 44

Q: 3. integrate the followin g scosuxdx

A:

Q: In a city three factories X, Y, Z in which the number of workers in total is a fixed number.…

A: GivenNumber of workers in factory X in the first month = 50Number of workers in factory Y in the…

Q: For a group of individuals all age (x), given: 25% are smokers (s) and 75% are non-smoker (ns) i =…

A: Given, 25% are smokers(s) and 75% are non-smokers(ns) i=0.02 It is a mixed distribution and the…

Q: Suppose each of 1000 players face a challenge in which a Bernoulli trial is repeated until the first…

A: Solution

Q: A 6-foot sub valued at $25 is divided among five players (P1, P2, P3, P4, P5) using the last…

A: Since, fair share = (Price of sub)/number of players Then, fair share = 25/5 = $5 And, P1 cuts the…

Q: his doctoral thesis, L. A. Beckel (University of Minnesota, 1982) studied the social behavior of…

A: We have given that The random variable Follows Poisson distribution with parameter λ = 6.8 Formula:…

Q: In an area having sandy soil, 60 small trees of a certain type were planted, and another 60 trees…

A: Let  x= No. of trees planted in sandy soil y= No. of trees planted in clay soil Px=0.7,…

Q: rvey of 10 young adults with credit card debt of more than $2,000 showed they id an average of just…

A: a). First, we will calculate the mean. The formula and calculations for the mean is as follows:…

Q: In an area having sandy soil, 40 small trees of a certain type were planted, and another 40 trees…

A:

Q: Compute Cohen's d for this study

A: The sample mean is 4.9, the population standard deviation is 1.8 and the hypothesized population…

Q: Suppose X1, .,Xn is a random sample from a N (H, o²) opulation, and independently, Y, ....,Ym is a…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: there are no pairs of consecutive integers in the winning combination (i1,..., ir) if and only if…

A:

Q: Suppose that independent Bernoulli trials with parameter p are performed successively. Let N be the…

A: To find : P(N=n)=xnP(X=x)

Q: A university advertises that 90% of the graduates from their school of science find a job within one…

A: If the sample size is greater than 30 and the variables are independent. Also X is the number of…

Q: Suppose that there are 4 deaths due to stomach can- cer among workers in a tire plant from 1/1/64 to…

A: n=1000 P=0.0025 Confidence interval=95%

Q: The academic planner of a university thinks that at least 34% of the entire student body attends…

A: Given: p= 0.34 Need to find null and alternative hypothesis.

Q: In his doctoral thesis, L. A. Beckel (University of Minnesota, 1982) studied the social behavior of…

A:

Q: A research center claims that 31% of adults in a certain country would travel into space on a…

A: The random variable X follows normal distribution. We have to test whether 31% of adults in a…

Q: Assume that in the absence of immigration and er

A: Given in the absence of immigration and emigration, the growth of a country's population P(t)…

Q: was predicted that a country will have an elderly population​ (65 and​ older) of 7,387,000 in the…

A: Given, it was predicted that a country will have an elderly population​ (65 and​ older) of 7,387,000…

Q: Assume that the 160 students who take this exam will receive one of 24 grades. i What does the…

A: PIGEONHOLE PRINCIPLE: According to this principle, if n objects are kept in m containers such that…

Q: Show that: if A occurs in a larger proportion of cases where B is than where it is not, then B will…

A: