The probability that Mark selects basketball as his favorite sport is 3/4. If three of his classmates are selected at random, find the probability that they all select basketball as their favorite sport.

Q: An observational study is described. Identify the specified element. An examination of the medical…

A: Given that, an examination of the medical records of 898 bodybuilders who died between 1995 and 2020…

Q: Cymond, Curt and Jam each randomly pick a movie from 7 choices. What is the probability that they…

A: Given info: Cymond, Curt and Jam each randomly pick a movie from 7 choices.

Q: According to a recent reporting on a standardized test, the average math score for students in a…

A: For the distribution of the standardized test for students in a specified state, it is given that:…

Q: on to teachers and administrative staff, schools also have many other employees, including bus…

A:

Q: The average number of times per week that John's 3 dogs wake him up at night because the dogs want…

A: GIVEN DATA,The average number of times per week that John's 3 dogs wake him up at night because the…

Q: 14.44 (EX) Cicadas as fertilizer? Every 17 years, swarms of cicadas emerge from the ground in the…

A: Given information: P-value = 0.031

Q: Students estimated the length of one minute without reference to a watch or​ clock, and the times​…

A:

Q: D. Construct a 95% confidence interval estimate of the proportion of adults believing that immediate…

A: It is given that  Favourable cases, X = 975 Sample size, n = 1762

Q: Medicare would like to test the hypothesis that the average monthly rate for one-bedroom…

A: From the provided information, Sample size (n) = 12 Sample average (x̄) = 3690 Sample standard…

Q: Use this data and model the distance spent swimming using the arms to predict the total time. What…

A: In this situation the time is dependent variable (Y) and “arms” is independent variable (X). The…

Q: For part d, I see how you get the final answer with excel, but what I'm not understanding is the…

A: Given that mean is 8.5 and standard deviation is 0.45 We have to find  d.. The 90th percentile of…

Q: A community health plan researcher wishes to estimate the mean number of visits per plan participant…

A: Here, CL = 0.80, E = 0.2, and σ=2.6. The value of α is, α=1-CL  =1-0.80  =0.20

Q: The following table gives the data for the average temperature and the snow accumulation in several…

A: Here, there are 10 pairs of data. Consider X as Average temperature and Y as Snow Accumulation.…

Q: You are given the following information about x and y.   x Independent Variable y Dependent…

A: The independent variable is x and the dependent variable is y.

Q: Questions I need help with >> What analysis will you run? A)heteroscedastic t-test B)homoscedastic…

A: Solution: Given information:  x1= 7.5  Sample mean of  nms x2= 5.9 Sample mean of terSE= 0.95…

Q: A Statistics Canada researcher selects (at random) 10 apartments in one apartment building. The…

A: Sampling methods: In simple random sampling, each unit in the population has equal chance of being…

Q: A tire company makes tires that have a normal distribution with a mean of 65,000 miles and a…

A: We have given that Mean(µ) = 65000Standard deviations (σ) = 3000 X ~ N (µ, σ )= N(65000, 3000)

Q: The Department of Education would like to test the hypothesis that the average debt load of…

A:

Q: An article appeared in an Australian newspaper. It described a study of academic performance and…

A: Given that: Sample mean, x¯=3 Sample standard deviation, s=1.1 Sample size, n=50 Level of…

Q: The data show the population (in thousands) for a recent year of a sample of cities in South…

A:

Q: Assume that females have pulse rates that are normally distributed with a mean of μ=73.0 beats per…

A:

Q: In a large city, 55% of people pass the drivers' road test. Suppose that every day, 200 people…

A: Given that  n = 200 , p = 55% = 0.55 X ~ Binomial (n = 200 , p = 0.55) p= Probability of people pass…

Q: Can you simplify 33/38

A: We need to simplify the term 33/38.

Q: ventricular mass (LVM) i sequent cardiovascular dis ess the relationship betwe ls and LVM in…

A: Q 7.58 sample size,n= 10 Mean (d̄) =Σd/n  =189/10 = 18.9 standard deviation,Sd=√Σ(d-d̄)2)/n-1)  = √…

Q: # 1 550 pieces of jewelry are classified according to the type of jewelry, whether it is a necklace,…

A: As per our guidelines we are suppose to answer only three subparts kindlyrepost the remaining…

Q: Use the data and develop a model to predict Overall Satisfaction. R2 is over 0.70 so we can use…

A: Solution:  The value of the coefficient of determination is  R2=0.70 or over

Q: If you had 16,8 L and you decrease by 30% how much is the result?

A: Given  Number of liter =16.8 L

Q: SECTION 2.1 EXERCISES For Exercise 2.1, see page 80; for Exercises 2.2 and 2.3, see page 82; and for…

A: The question is about variables Introduction : Types of variables : Categorical variable : A…

Q: b. If 4 adult females are randomly​ selected, find the probability that they have pulse rates with a…

A: The mean is 74 and standard deviation is 12.5.

Q: A random sample of n = 900 observations from a binomial population produced x = 686 successes. USE…

A: Answer: - Given, the sample size n = 900, and x = 686.                 Find the population…

Q: Medical research has shown that repeated wrist extensions beyond 20 degrees increase the risk of…

A: From the provided information, Sample size (n) = 24 Confidence level = 90%

Q: cates health problems for the infant. The mean birth weight for children born in a certain country…

A: Given Weight=2500 Mean weight=3494 Standard deviation=490

Q: The accompanying table gives information on the top five countries from which residents of a…

A: Solution: We need to identify the correct graph for the given distribution.

Q: Boxes of cereal are labeled as containing 19 ounces. Following are the weight of a sample of 12…

A: Data given n=12  19.02,18.96,19.17,19.06,19.17,19.07,19.02,19.15,19.03,18.98,19.04,19.18

Q: 2) A biologist found that Grizzly Bears have a mean weight of 945 pounds with standard deviation of…

A: GivenMean(μ)=945standard deviation(σ)=88

Q: SECTION 2.1 EXERCISES For Exercise 2.1, see page 80; for Exercises 2.2 and 2.3, see page 82; and for…

A: A categorical variable, also known as a qualitative variable, enables the classification of people…

Q: A maker of a certain brand of​ low-fat cereal bars claims that the average saturated fat content is…

A: Solution: Given information: n= 8 Sample size From the given data first we find sample mean and…

Q: #2 A bowl contains 3 yellow beads, 21 green beads, 12 blue beads, and 6 red beads. if 1 bead is…

A: GivenNo.of yellow beads=3No.of green beads=21No.of blue beads=12No.of red beads=6Total no.of…

Q: Calculate the JALSH predicted if the CPI score is increased by 0.5 points (CPI = 0.5). Interpret.…

A: Solution: Given information: n= 12 observation First we find slope and intercept of the regression…

Q: Suppose that Manila City Hall has five entrance gate and nine exits. In how many ways can Mathew,…

A: Introduction: It is required to find the number of possible ways in which Mathew (M), Jenn (J), and…

Q: Suppose that annual precipitation is normally distributed, with mean 50 inches, and standard…

A: From the provided information, Mean (µ) = 50 Standard deviation (σ) = 12 X~N (50, 12)

Q: A factory produces protein bars claiming to be 3.25 ounces. The manager of the factory knows that…

A: given data normal distribution μ = 3.25σ= 0.05n = 24stop if ∑x<77.5 or ∑x>78.5

Q: Suppose that, for one semester, you can collect the following data on a random sample of college…

A: Given information: For one semester, the data was collected from a random sample of college juniors…

Q: A survey of voters in past election shows the following:   Democrat (D) Republican (R) Total Male…

A: Democrat (D) Republican (R) Total Male (M) 20 30 50 Female (F) 32 18 50 Total 52 48 100

Q: Suppose 225 subjects are treated with a drug that is used to treat pain and  51 of them developed…

A: Given that  Sample size n =225 Favorable cases x =51 Sample proportion p^=x/n  =51/225 =0.2267

Q: For 100 births, P(exactly 57 girls) = 0.0301 and P(57 or more girls) = 0.097. Is 57 girls in 100…

A: We have given. P(exactly 57 girls) = 0.0301 And P(57 or more girls) =0.097

Q: According to an organization, there are five leading causes of preventable death in a region. They…

A: By Here we will answer by looking into given graph

Q: The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 36…

A: Given that  Mean = M = 36 , Standard deviation = SD = 3.7

Q: A poll asked respondents if they had taken a vacation in the last year. The respondents were…

A:

Q: Suppose that we will randomly select a sample of 79 measurements from a population having a mean…

A: