Question 6 How many different ways are there to select a group of 3 out of 7 people for a cyber-sport team with 3 distinct roles?

Q: 1 Date 2 1/2/19 3 1/3/19 4 1/4/19 5 1/7/19 6 1/8/19 7 1/9/19 8 1/10/19 9 1/11/19 10 1/14/19 11…

A: The data for the prices of the given 3 stocks is Honda Ford GM $26.48 $7.90 $33.64 $26.12…

Q: You draw a simple random sample of 27 items from a Normal Population that has a standard deviation…

A:

Q: Let A and B be mutually exclusive events, such that P(A) = 0.1313 and P(B) = 0.3849. Find the…

A: A and B are mutually exclusive eventsP(A) =0.1313P(B) = 0.3849P(A∩B) = ?P(A∪B) = ?

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 10.2…

A:

Q: A researcher is studying wood volume production in forested areas. Wood volume data were collected…

A: The data is given as follows : Portion Area A Area 2 1 65 50 2 70 62 3 63 50 4 76 61 5…

Q: sample from a Normal population of n=6 observations yields an Xbar=100 and an s=20. What is the 90%…

A: given data, normal distributionn=6x¯=100s=20CI=0.90α=1-0.90=0.10here population standard deviation…

Q: Question: What is the concept of correlation in statistics and what are its applications?

A: Correlation is a statistical measure that describes the relationship between two variables. The goal…

Q: 1. Given the followi that follow:

A: The 26 samples in the data set is given as follows: 30 30 60 63 70 79 87 90 101 102 115 118 119 119…

Q: Problem 5: Suppose that 70% of men and 30% of women in a state support the incumbent candidate of…

A: Number of men workers = 70% Number of women workers = 30% 500 people are surveyed at random

Q: The mean length of stay for patients undergoing a certain surgical procedure is 4 days with a…

A: given data, μ=4σ=3.5n=100p(x¯<3)=?

Q: (a) Construct a 95% confidence interval for b2. Show all your work. (b) Test the null hypothesis…

A: From the provided information, the regression equation for y (i.e., the dependent variable, food…

Q: A survey aims to compare the average reaction times (in seconds) of men (group A) and women (group…

A: Given the average reaction times (in seconds) of men (group A) and women (group B) to a certain…

Q: Problem 4: Suppose X₁, X₂, ... is a sequence of i.i.d. random variables having the Poisson…

A: Given that X1, X2,... is a sequence of i.i.d. random variables having the Poisson distribution with…

Q: Consider the experiment of tossing a coin twice and then rolling a dice a. Develop a tree diagram…

A: Note: Since you have posted multiple subparts questions, we are answering first three subparts for…

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 269 days…

A:

Q: A mug manufacturing company supplies mugs to another company, which packages the mugs as part of…

A: Given that: Sample size, n=15

Q: Question 6 Assume that the probability that a randomly selected student is in middle school is…

A: event A : middle school  event B : public school P(A) = 0.791 P(B) = 0.0618 P(A∩B) = 0.0185 P(A∪B) =…

Q: A random sample of 10 subjects have weights with a standard deviation of 11.5017 kg. What is the…

A: Givensample size(n)=10standard deviation(s)=11.5017

Q: A sample of 14 participants took part in a hearing experiment. Among other things, the absolute…

A: Given Information: The number of observations, n=14. The measurements are: 25, 22, 18, 35, 21, 21,…

Q: We used technology to simulate selecting 100 SRSS of size n = 50 from a population of pennies in…

A: Given information: The dot plot to simulate 100 SRSs of size n=50 is given.

Q: In the following table x is a random variable representing the number of trees per mile of road on…

A: The dataset is given as: X Y 45 20 10 50 25 40 15 45 30 25

Q: Using the Massachusetts population age distribution as a standard, calculate the age-adjusted…

A:

Q: (iii) Show that 1/7 is also a sufficient statistic for each of these three distributions.

A: Given the following four distributions : Expλ Geometricp Poissonλ Nμ, σ2

Q: A researcher is testing a new product to combat pests in forests. In a planting area, 66 trees were…

A: given data n1 =66x1  =7n2  = 270x2 =49α = 0.08claim : p1 ≠ p2p^1 = x1n1 = 766 = 0.1061p^2 = x2n2  =…

Q: 15. Which of the following are true? Explain. (a) baa ∈ a∗b∗a∗b∗ (b) b∗a∗ ∩ a∗b∗ = a∗ ∪ b∗

A:

Q: A 95% confidence interval for the mean body mass index (BMI) of young American women is 26.8 ± 0.6.…

A:

Q: 2. Question: The household energy consumption in Johor is normally distributed with a mean of 200…

A: Given,sample size(n)=50mean(μ)=200standard deviation(σ)=50

Q: For the data below answer the following questions: 5 6 10 12 14 16 17 19 20 21 23 24 25 1. Note that…

A: Answer:- Given data,  5, 6, 10, 12, 14, 16, 17, 19, 20, 21, 23, 24, 25   Here , total number of data…

Q: A major difference between grounded theory and other research methods is its specific approach to…

A: Grounded theory is a research method that has a specific approach to theoretical development.

Q: A personality test has a subsection designed to assess the "honesty" of the test-taker. Suppose that…

A: given data, population standard deviation =23σ=23CI=0.90E=2sample size=?

Q: Electrical fuses from a production line fail independently with probability 0.01. The fuses are…

A: Given: Probability that the fuse fails : PF=0.01

Q: Suppose for events A and B we know P(A) = 0.3, P(B) = 0.5 and P(A and B) = 0.2 Since P(A and B) =…

A: Given information- We have given 2 events A and B. P(A) = 0.3, P(B) = 0.5, P(A and B) = 0.2

Q: Question 3 The following contingency table summarizes the drug test results for 406 test-takers:…

A: positive negative total doesn't use drug 4 179 183 use drug 208 15 223 total 212 194 406

Q: Students taking the Graduate Management Admissions Test (GMAT) were asked about their undergraduate…

A: The total number of students is, n = 3310.

Q: Let A and B be two events, such that P(A) = 0.9383, P(B) = 0.0182, and P(A and B) = 0.0081. Find the…

A: given data,p(A)=0.9383p(B)=0.0182p(A and B)=0.0081p(A or b)=?

Q: What about part D?

A: We have given that   Mean(µ) = 34Standard deviations (σ) = 3X ~ N (µ, σ )= N(34, 3)

Q: Refrigerators have a mean life of 15 years with a standard deviation of 1.5 years. Assuming that the…

A: Given data normal distributionμ = 15  yearsσ = 1.5 years

Q: what id the critical value

A: Given information: Significance level is 0.05. α=0.05 Tail:two tailed  Consider, 1- α/2 =1-0.05/2…

Q: Consider the experiment of picking a random vowel and let E be the event defined as {eu} The result…

A: From given data, Event E is define as , E = {e , u} we need to check that result :  o can occur…

Q: The following data are taken from a study conducted by the National Park System on the temperatures…

A: Given data: 142, 156, 168, 174, 181, 178, 179, 179, 174, 178, 163, 167, 153, 145.

Q: Question 1 The five-number summary below shows the number of jobs that a sample of people had in…

A: Given,minmum value=5Q1=8Median=9Q3=12maximum=15

Q: 3C p(x) 1 0.30 2 0.05 5 0.20 10 0.20 20 0.25

A: Let X be the random variable having probability mass function is,  X 1 2 5 10 20 P(X)  0.30…

Q: Question 9 mpute the following for n= 8 and k = 7: i. Pr ii. Ch w many different ways are there to…

A: Given  n=8, k=7

Q: (a) Consider a t distribution with 7 degrees of freedom. Compute P(-1.29<t<1.29). Round your answer…

A: (a) t distributiondf = 7P(-1.29&lt;t&lt;1.29) = ? (b) t distributiondf = 25P(t≤C) = 0.01C = ?

Q: A die is rolled. Find the probability of the given event. (a) The number showing is a 6; The…

A: Answer:- Given, Event is "A die is rolled " Then , the outcome is  1, 2, 3, 4, 5, 6  That is, The…

Q: Dave's wardrobe contains 15 T-shirts, of which 11 are gray. Dave selects d What is the probability…

A: given data  11 gray tshirts out of total 15 t shirts.

Q: The following data are taken from a study conducted by the National Park System on the temperatures…

A: The data of temperatures in Death Valley are given.

Q: 9. 9320 Statistical ringers? At a university's annual picnic, 18 students in the…

A: Given that 12 of the 18 students are math majors and 6 are statistics majors.

Q: Refrigerators have a mean life of 15 years with a standard deviation of 1.5 years. Assuming that the…

A: Answer: - Given, a normal distribution with mean μ = 15  years with a standard deviation σ = 1.5…

Q: Penalty kicks A soccer team has 11 players on the field at the end of a scoreless game. According to…

A: GivenNo.of players in a soccer team(n)=11No.of players to be selectedd and designate an order in…