Of 9 randomly selected male students, X¡ used Apple computer, whereas of 12 randomly selected female student, X2 used Apple computer. Let: pj and p2 denote the probabilities that a randomly selected male and female students, respectively, played tennis. what is unbiased estimator of P1-P2? X2 Oa. 7 12 X1 X2 Ob. 49 144 X2 Oc. 12 X1 X2 Od. 49 144

Q: suppose that for a particular flight, an airline believes that 2%2% of ticket holders do not make…

A: Given information- Number of passengers a jet hold = 189 Number of tickets sold = 192 Percentage of…

Q: Find the probability of at least 2 female visitors in 17 visitors to Mt. Rainier National Park.…

A: The provided information are: Probability of success (p) = 0.5 Number of trials (n) = 17

Q: About 30% of US adults are trying to lose weight. If a sample of eight adults is selected find the…

A: Given: p=0.3 n=8

Q: If 30% of the people in a community have internet access from their homes, find the following…

A: also the number of trails of the experiment should be known and also , the probability of success p…

Q: Q4/ A sample of 20 specimens of soil was tested under shear, and water absorption tests. 8 of them…

A: As per our guidelines,we are allowed to answer three sub-parts only   Total specimens = 20 Specimens…

Q: Find the probability of at least 2 female visitors in 19 visitors to Mt. Rainier National Park.…

A: Given that male and female visitors are equally likely. That is, P(male)=P(female)=1/2=0.5 Let us…

Q: B. The probability of an integrated circuit passing a quality test is 0.86, in a batch of 10…

A: It is given that the probability of an integrated circuit passing a quality test is 0.86. That is,…

Q: It has been determined that 5% of drivers checked at a road stop show traces of alcohol and 10% of…

A: probability mass function of B.D is = f ( k ) = ( n  k ) p^k * ( 1- p) ^ n-kwhere       k = number…

Q: Use the table to find the probabilities for a juice chosen from the shelf at random. P(less than…

A:

Q: Suppose 10% of people in a given population who tested for Covid 19 diagnosed (!uaii) positive, and…

A: Given: P(Tested positive)= 0.10 P(Hospitalized)=0.05 The formula to compute the probability for two…

Q: A survey of online shoppers showed that 2% of shoppers visited toolsRus.com during a one month…

A: Note: Hi there! Thank you for posting the question. As your question has more than 3 parts, we have…

Q: Among 13 electrical components exactly 4 are known not to function properly. If 6 components are…

A: We have given,Total number of components = 13Number of components are not to function = 4Now, we…

Q: Suppose that in Vancouver, B.C., the probability thata rainy fall day is followed by a rainy day is…

A: Note : - As per our policy we can answer only three sub-parts, please make a new requests for other…

Q: It has been determined that 5% of drivers checked at a road stop show traces of alcohol and 10% of…

A:

Q: Assuming that on an average 1% of the output in a factory making certain part of an article are…

A: If each trial has only two possible outcomes, that is, success and failure, the probabilities of…

Q: A sample of 20 specimens of soil was tested under shear, and water absorption tests. 8 of them…

A:

Q: A sample of 20 specimens of soil was tested under shear, and water absorption tests. 8 of them…

A:

Q: If 5.6% of New York test positive for swine flu, and the test has a a true positive of 0.654 and a…

A: X : Person has the Swine Flu P(A) = Test is positive P(B) = Test is negative…

Q: A recent educational study shows 80% of students co their homework assignments on time. Of the ones…

A:

Q: There are three alterntive links between A and B. The probabilities that a particular message has…

A: The probability can be obtained using the formula  P(at least one) =1-P(none)

Q: It has been determined that 5% of drivers checked at a road stop show traces of alcohol and 10% of…

A: Given, P(Alcohol) = 0.05 P(Seat belt) = 0.1 Both are independent events P(Alcohol and Seat belt) =…

Q: A computer consulting firm presently has bids out on three projects. Let A; = {awarded project i},…

A: We will use conditional probability, Addition theorem of probability to answer all Answer is bit…

Q: The route used by a certain motorist in commuting towork contains two intersections with traffic…

A: Let A be the event that the person stops at first signal. P(A)=0.4 Let B be the event that the…

Q: In the transmission of digital information, the probabilities that a bit has high, moderate and low…

A: Given that  P(high)=0.01 P(moderate)=0.04 P(low)=0.95 n=5 and the amount of distortion of each bit…

Q: A company has developed a test for whether a person has had COVID. If a person has had COVID, the…

A: Given: P+|Covid=0.99P+|Not covid=0.02PCovid=0.20

Q: Based on Babich (1992). Suppose that each week eachof 300 families buys a gallon of orange juice…

A:

Q: ty for a hard drive to crash. Therefore, it has two backups and each having 2% probability to crash,…

A: To find: The probability that information is saved.

Q: It has been determined that 5% of drivers checked at a road stop show traces of alcohol and 10% of…

A:

Q: Assume that 6% of Canadians are afraid of being alone in a house at night. If a random sample of 20…

A:

Q: For married couples living in a certain suburb, theprobability that the husband will vote in a…

A: Concept of General Addition Rule: For any two events A and B the General Addition Rule states that:

Q: 1. Let X represer probabilities.

A: When a fair die is tossed, it takes the following values : 1,2,3,4,5,6

Q: According to a survey, 57% of all workers read e-mail while they are talking on the phone. Suppose…

A:

Q: Q2/ Of 80 students, 20 are studying French, 40 are studying Spanish, and 30 are studying French and…

A:

Q: Given that the switchboard of consultant's office receives on the average 0.9 calls per minute, find…

A:

Q: Suppose there are two boxes; in box 1 there are 3 times more green balls than red balls, and in box…

A:

Q: If 20% of the bolts produced by a machine are defective, then 4 randomly selected bolts a) 1 of…

A:

Q: Suppose that 4.5% of all adults over 50 have cancer. A certain physician correctly diagnoses 94% of…

A: Given , P(A) = 0.045  P(Ac) = 1- 0.045 = 0.955

Q: A sample of 20 specimens of soil was tested under shear, and water absorption tests. 8 of them…

A:

Q: The experience of a house-agent indicates that he can provide suitable accommodation for 75% of the…

A: The Agent can provide suitable accommodation for 75% of the clients who come to him. So, probability…

Q: Suppose that Trendy Inc. products a style of a seasonal business suit, Sit-T-Slicker, which has a…

A: The demand of the clothes is 200, 500, 800, 1100 and 1500 with equal probabilities. The cost of the…

Q: For students starting a 6-semester university degree program, there are two modes of decrement:…

A: Given:

Q: Each sample of water has a 10% chance of containing a particular organic pollutant. Assume that the…

A: As per requirement (d) part Given: p=0.1n=18

Q: During a fitness center outbreak, 1/10 of the customers of the center are infected by COVID-19.…

A: The probability that the customers of the center are infected by COVID-19 is 110, the the not…

Q: A study finds that 70% of all adults in the population respond to online advertisements.   A) If a…

A:

Q: At least one-half of an airplane's engines are required to function in order for it to operate. I…

A: Given : one-half of an airplane’s engines are required to function in order for it to operate. To…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.