31) 2 tan x cos x+2 cosx= tan.x+1

Q: d. If 100 SAT scores are randomly selected, find the probability that they have a mean between 1400…

A: d. Z-score: The z score formula is, z=x¯-μx¯σx¯ In the formula, μx¯ is the population mean, σx¯ is…

Q: d) If you hadn't already taken the sample listed above, what sample size would be required so that…

A: p=Xn=31200=0.155C.I=99%=0.99α=1−C.I=1−0.99=0.01

Q: Answer d

A: The mean number of cars households in the US own is obtained as given below: Here, X denotes the…

Q: A group of 200 students have been cross classified into the following two way table in terms of…

A: Pierced not Pierced Female7355Male1557

Q: Based on a poll, among adults who regret getting tattoos, 22% say that they were too young when they…

A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: d. For n=6 and x=0.87, what is P(X= 5)?

A: n=6,π=0.87X~Binomial(n=6,π=0.87)

Q: The graph of a normal curve is given. Use the graph to identify the value of u and o. -55 -40 -25…

A:

Q: 3. For each of the following statements BY NG SA Write the statement as an English sentence that…

A: Here , we have to solve sub-part (f) of question 3.

Q: The first complement of (10101010) is Select one: a. 10101011 b. 01010101 c. 01010110

A: Given   10101010 To determine the first complement of 10101010 We can find the 1's complement of the…

Q: 1) Below is the probability model for the political affiliation of a randomly chosen adult in the…

A:

Q: (d) One consequence of the popularity of the Internet is that it is thought to reduce television…

A: As per the Bartleby guildlines solving part d Given thatSample size=45 Population mean=2.45Sample…

Q: A set of final examination grades in an introductory statistics course is normally distributed, with…

A: From the given information,Mean =  = 72Standard deviation , 8Using formula,

Q: 5) A national standardized math test is given to 8th-grade students. Scores on the test range from 0…

A: Given information In part b sample size was 900 In part d we are taking the sample size 1600

Q: An oceanographer wants to test, on the basis of the mean of a random sample of size n = 35 and at…

A:

Q: Let f(x, y) = g(x) + h(y) where g(x) and h(y) are positive. If g(xo) > g(x)and h(yo) > h(y) then…

A:

Q: Label each of the following statements as true or false. If true, to in order to complete the…

A: proving the statement or contradicting using an example will help us in solving the question. Basic…

Q: In a test of a sex-selection technique, results consisted of 242 female babies and 15 male babies.…

A: Number of female babies =242 Number of male babies = 15 Total babies = 242+15…

Q: Bob's Slurpee store offers 10 different varieties of Slurpees. To investigate how popular the…

A: c. Pie chart

Q: A bottle contains 4 each person get? gallon of fruit punch. If 6 people share the fruit punch…

A:

Q: Please answer D

A: (a) Given that the percentage of stadiums have just built in the past 20 years is, P=15%=15/100=0.15…

Q: Tennessee has a population of 6,495,978. Its territory can be modeled by a trapezoid, as shown in…

A: The solution is given below:

Q: regional automobile dealership sent out fliers to prospective customers indicating that they had…

A: From the part b and c we get.

Q: During the Computer Daze special promotion, a customer purchasing a computer and printer is given a…

A: From the provided information, A customer purchasing a computer and printer is given a choice of…

Q: Let X₁, X2, X3,..., X₁ denote a random sample of size n from the population distributed with the…

A:

Q: Q4 Climate change 2013 Data collected from around the globe show that the earth is getting warmer.…

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

Q: 3E1. Assume that z scores are normally distributed with a mean of =0 and a standard deviation of…

A: Given  Z ~N(0,1)

Q: 1. Each sample of water has a 10% chance of containing a particular organic pollutant. Assume that…

A: Given: n=18 and p=0.1 Use binomial probability asPX=x=Cxnpx1-pn-x                      ;x≤n

Q: Name a plane parallel to plane JDC. ***** F B fenter answer here] 2 3. 4. 6.

A: Given shape is hexagonal prism in top and bottom are congruent hexagons joined by rectangular faces…

Q: Six hundred different voters in a region with two major political parties, A and B, are randomly…

A:

Q: Use rhombus ABCD and the given information to find e DA 1) If m BAF 28°, find mZACD. %3D

A:

Q: 19. The standard deviation of, known as the standard error of thể 0.5477 b. 0.0547 5.477 a. C. d.…

A: We have given that  Sample proportion p^= 40%=0.40 Sample size n=80

Q: d. For the 32 people, find the probability that the average coffee consumption is between 16.8 and…

A: We have given that,  The amount of coffee that people drink prr day are normally distributed with…

Q: In a survey, 35% of the respondents stated that they talk to their pets on the telephone. A…

A: Solution To test hypothesis we will use z test for single proportion.