A poll shows that half of the consumers who use brand a switched to brand b the following year, while the other half stayed with brand a. 9/10 of the brand b users stayed with brand b the following year while the rest switched. In the long term, what fraction of the time will a user spend using each of the two brands?

Q: A newspaper headline claims: "Apple spends far less on Research & Development than any of its…

A:

Q: Question 3 (b)

A: Suppose that, x is the number of trouser  y is the number of skirt z is the number of blouse. For…

Q: In a certain survey, a question asked is whether a respondent favors or opposes capital punishment…

A: Let p1 be the proportion in the year 2000 and p2 be the proportion in the year 1993. Sample X N…

Q: A small market orders copies of a certain magazine for its magazine rack each week. Let X = demand…

A: Given, The PMF is: x 1 2 3 4 5 6 P(x) 1/15 2/15 3/15 4/15 3/15 2/15   Let us assume that…

Q: Your midrange guess as to the amount of oil in a prospective field is 10 million barrels, but, in…

A:

Q: There are 600 pages in a novel, Rui Feng reads 150 pages of the novel on Friday and 40% of the…

A: The number of pages in the novel are 600. Rui Feng reads 150 pages on Friday. So, the remaining…

Q: 10. A survey conducted over the last 25 years indicated that in 10 years the winter was mild, in 8…

A:

Q: African elephants are threatened by poachers, who RIl grow tusks). In the elephant population of…

A: In the female elephant population from 1975 to 1995,   The overall population decreased from the…

Q: 1. A report in LTO stated that the average age of taxis in the Philippines is 9 years. An operation…

A:

Q: A small market orders copies of a certain magazine for its magazine rack each week. Let X = demand…

A: Given: x p(x) 1   1/19 2   2/19 3   5/19 4   5/19 5   3/19 6   3/19

Q: A small market orders copies of a certain magazine for its magazine rack each week. Let X = demand…

A: (a) Expected profit if 3 magazine are ordered      E[X] = ∑i=13 x p(x)            =…

Q: 9. A coffee company wants to determine the daily production levels of its three different blends of…

A: To represent the portions of regular, medium and dark used in the blends I, II and III in decimals,

Q: A small market orders copies of a certain magazine for its magazine rack each week. Let X = demand…

A: Given Suppose the store owner actually pays $2.00 for each copy of the magazine and the price to…

Q: Part 3 of 4 Compute the sum of squares for x, E (x-x)', and round the answer to two decimal places.

A: Sum of squares of x  :  ∑(x-x¯)2 Where ,   x¯ is sample mean of variable x  x¯ = ∑xn

Q: If a company had 25 men and 30 women, and 10 of the men got bonus pay and 20 of the women got bonus…

A: Given info: The company had 25 men and 30 women, and 10 of the men got bonus pay and 20 of the women…

Q: A student is asked to write a report about the population growth of two c population of both…

A: The population of B increase with the constant value 5000 each year but the population of A varies…

Q: The population proportion of Americans with diabetes is 11 percent (π = 0.11).  In repeated random…

A: The population proportion of Americans with diabetes is 11 percent (π = 0.11). In repeated random…

Q: Suppose that the index model for two Canadian stocks HD and ML is estimated with the following…

A:

Q: Which of the following conclusions is not supported by this diagram? a) There are currently several…

A: None of the option is supported by the diagram.

Q: Question 2 3) U.S. automobile manufacturers are concerned about the competition of foreign cars in…

A:

Q: please answer the attached question

A: Given that, P=0.64

Q: what is the null and alternative hypothesis

A: Test is that at least 25% of the people who receive the coupons for the free membership will use the…

Q: A company makes electronic gadgets. One out of every 50 gadgets are faulty, but the company doesn't…

A: Given : n = 50 Profit = 150 Loss = 4000

Q: Number of plants Treatment Regressed Thrived Total 80 120 200 B 140 60 200 The table above shows the…

A: How to read the table From the table we can see that total number of plants that recieved treatment…

Q: In a certain survey, a question asked is whether a respondent favors or opposes capital punishment…

A:

Q: A psych research group found that 25 participants who were in a program with physical exercise…

A: Since, you have posted a question with multiple sub-parts, we will solve the first three complete…

Q: (a) At an accident black spot junction, road accidents generally occur at a rate of 5 per month, on…

A:

Q: X, and WWP. Each week, APS loses 10% of its customers to GX and 20% to WWP, GX loses 15% of its…

A: *answer:

Q: Glaxo Co’s R & D division is considering to develop a new drug project to get ahead of its…

A: As per given by the question, project must be completed in 2 years at a cost of  1,00,000, otherwise…

Q: Tesearch group asked 2132 U.S. adults and 1038 college presidents to "rate the job the higher…

A: Comment: As per the our company guidelines we are supposed to answer only three subparts. Kindly…

Q: Dr. Payne is studying the number of davs patients stav in Armadillo Community Hospital after a…

A: Introduction: Denote the random variable X as the number of days of hospital stay after the surgical…

Q: A small market orders copies of a certain magazine for its magazine rack each week. Let X = demand…

A:

Q: If you withdraw $3,500 from your checking account and the required reserve ratio is 16 percent, then…

A: Since you have posted question with multiple subparts,we will solve first three subparts for you.To…

Q: An investor has decided to commit no more than $80,000 to the purchase of the common stocks of two…

A:

Q: Your midrange guess as to the amount of oil in a prospective field is 10 million barrels, but, in…

A:

Q: pls the attached questions

A: Solution: a. From the given information, p=0.64 and n=50. For p-hat = 0.54. For p-hat = 0.61.

Q: For assets such as machines, whose market values drop rapidly in the early years of of usage,…

A: Given:For assets such as machines, whose market values drop rapidly in the early years of of usage,…

Q: A group builds racing drones. An examination of the data shows that it costs C(x) = 0.0014x² +…

A:

Q: The table shows the decay factor for a number of different populations. For each population, find…

A:

Q: A small market orders copies of a certain magazine for its magazine rack each week. Let X = demand…

A: Here , it is given that the store owner pays  $2.00 for each copy of  the magazine and the price to…

Q: 1. Researchers want to know if there is a relationship between the amount of time spent online and…

A: Note: "Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: n the previousyear, at Hub Motors ltd, for a particular model of Mercedes, Nissanand Ford,one could…

A: Let the price of Mercedes Nissan and Ford was x , y , z last year. Then according to the question…

Q: 5. A patient initially has a concentration of 50mg/L of morphine in her blood and 70mg/L in her…

A: Step:-1

Q: An investor has decided to commit no more than $80,000 to the purchase of the common stocks of two…

A:

Q: A study of the effects of three drugs on reaction time in milliseconds of human subjects after…

A: H0 : The three drugs do not differ in their effects. Ha : The three drugs differ in their effects.…

Q: COURSE CREDIT HOURS GRADE POINTS EARNED BIO-168 5 C 10 ENG-114 3 B 9 BAD-101 4 F 0…

A: Given data is,

Q: Daniel Bernoulli's work in 1760 had the goal of appraising the effectiveness of a controversial…

A: Given: n(t)=number of individuals surviving t years later x(t)= number of members of cohort who have…

Q: Question 8: two telephone booths for local calls. The owner of booth A charges Charlie $35 per month…

A: Given,

Q: You are considering purchasing a carpet cleaning business that will cost $40,000 for startup. Being…

A: Given :  35% of the franchises close after one year with a net loss of $48,000. 30% of the…

Q: A small market orders copies of a certain magazine for its magazine rack each week. Let X = demand…

A: Given: X 1 2 3 4 5 6 P(X)  1/15 1/15 5/15 3/15 2/15 3/15

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.