(Circle one) Would you reject H, or do not reject H, for a p-value of 0.07 and a = 0.2.

Q: instructor gives a 100-point examination in which the grades are normally distributed. The mean is…

A: It is given that  Mean, μ = 66 Standard deviation, σ = 5

Q: Following the central limit theorem what is the Z score for random variable X that equals 10 given…

A: given data  x¯ = 10 μ = 5σ = 20n = 25z = ?

Q: The average monthly mortgage payment including principal and interest is $982 in the United States.…

A: It is given that  Mean, μ = 982 Standard deviation, σ = 180

Q: (a) Construct a relative frequency distribution. Speed (km/hr) Relative Frequency 10-13.9 14-17.9…

A: Relative Frequency distribution is given by =class frequencytotal frequency

Q: A professional baseball player receives a shipment of 10 new bats that are identical in appearance,…

A: 3 defective bats 7 non defective bats ____________________ 10 total bats   select 5 at random…

Q: A box contains 75 red marbles, 37 white marbles, and 19 blue marbles. If a marble is randomly…

A: Given that 75 red marbles, 37 white marbles and 19 blue marbles. Total marbles=75+37+19=131

Q: The mean tuition cost at state universities throughout the United States is $4,260 per year. Use…

A: From the provided information, Mean (µ) = 4260 Standard deviation (σ) = 900 X~N (4260, 900) Sample…

Q: is $47,750. Assume that the distribution is normal and the standard deviation is $5680. Find these…

A: It is given that  Mean, μ = 47750 Standard deviation, σ = 5680 Z-Score, Z = ( X - μ )/σ

Q: 3. A financial advisor needs to meet her quota of 30 clients in a year. To do that, she sought help…

A: 3 :  She needs to meet her quota of 30 clients :  She ask her friends to as their friends to be…

Q: A simple random sample with n= 52 provided a sample mean of 23.0 and a sample standard deviation of…

A: The sample size is 52, sample mean is 23.0 and sample standard deviation is 4.3.

Q: The commute times for the workers in a city are normally distributed with an unknown population mean…

A:

Q: You are interested in investigating the efficacy of a stressor and design an experiment measuring…

A: Given: Sample size n = 12 Formula Used: Degrees of freedom = n-1

Q: Question 12 Marital Status is an example of 2) Discreet data Quantitative data Qualitative data…

A: Nominal data: Nominal data measure qualitative data and it is the name of variable.   example:…

Q: Question 17 When testing for independence in a contingency table with 2 rows and 2 columns, there…

A: 2 raws and 2 columnstesting for independence in a contingency table. degrees of freedom = ?

Q: A U.S. study published in The American Journal of Preventive Medicine compared state-level…

A: By observing the given statement. The type of study it represents is Case-control study. So option C…

Q: The Acme Company has developed a new battery. The engineer in charge claims that the new battery…

A: Given: For Old Batteries: n1 = 100 X1 = 190 s1 = 20 For New Batteries: n2 = 100 X2 = 200 s2 = 40…

Q: Explanation of Solution It is given in the question that Arsenic blood concentrations in healthy…

A: Given that  Population mean μ =3.2 Population standard deviation =1.5

Q: A survey is conducted every year among university students across a certain country on the question…

A: Given that, A survey is conducted every year among university students across a certain countryon…

Q: 1) Assume the following joint probability distribution: P(x,y) X 1 3 5 сл 2 0.1 0 0.1 y 5 0.3 0.1…

A: X and Y are independent if E(XY)= E(X)*E(Y)  We find these values and check the condition.   And…

Q: 20,17,15,15,22,21,16,16,20,22,15,21 Give the test statistic for this hypothesis test. Choose the…

A: It is given that the sample data of size 12 is 20,17,15,15,22,21,16,16,20,22,15,21 Here, the…

Q: An airline knows from experience that the distribution of the number of suitcases that get lost each…

A: given data  normal distribution μ = 11.4σ= 3.4P(x<15) = ?

Q: The probability distribution of the binomial random variable X is 3-x b(x;n,p) = (²) (¹) * (-²) ³**.…

A: Given P(X=x)= 3Cx×(1/4)x×(3/4)3-x; x=0,1,2,3

Q: 2:15 -0. (Round to the nearest integer as needed.) mylab.pearson.com/S + ← The accompanying…

A: Obtain the value of the sample mean footage   The mean is obtained below:   From the information,…

Q: Given that X is a normally clistributed variable 50 and a Standard deviation of a, find the p X is…

A: Given information: μ=50σ=2

Q: What is the probability of randomly selecting a Male given that he has a Mac book computer? What is…

A: From the contingency table, we get Total number of people in a survey = 223 Total females = 117…

Q: Let X be the number of students absent from a randomly chosen class on any given day. The standard…

A: Given: Standard deviation σ = 1.15 Formula used: Empirical rule: 68% of data falls within 1 standard…

Q: Find t0.95t0.95 for TT distribution with 2020 degrees of freedom. t0.95=t0.95= (Round the answer to…

A: The given degrees of freedom is 20 and area is 0.95.

Q: K The data to the right represent the number of customers waiting for a table at 6:00 P.M. for 40…

A: As per our guidelines I can solve only first three subparts. Kindly post the remaining subparts…

Q: Let X be a random variable that can take values x = 2,4,6,8 and has probabilities given by the…

A: It is given that X be a random variable that can take values x = 2,4,6,8. P( X = x ) = 3x/60…

Q: A professor wants to know if her Psychology statistics class has a good grasp of B math. Six…

A: Solution: Given information: n= 6 Sample size μ=70 Population mean x=∑xn=4756=79.1667 Sample mean…

Q: Use the probability distribution to complete parts (a) through (d) below. The probability…

A: Required probability is P(X=1 or 2)

Q: Find the first, second, and third quartiles of the ages of 9 middle-management employees of a…

A:

Q: Prove if yo~ N(4,0) for M being any real number Hrup &o is greater than Zero, then Z= = (x-μ)…

A:

Q: Compare empirically Samirnov test to test the normality the power of Shapiro-Wilk test and…

A: Solution: According to the guidelines if multiple questions are asked only first question should be…

Q: The average height of students at UT from an SRS of 11 students gave a standard deviation of 3.0…

A: Givensample size(n)=11standard deviation(s)=3.0confidence level=95%

Q: QUESTION 11 You hypothesize that drinking water increases test scores so you design a study…

A: Given that  Sample sizes n1=27 , n2=35

Q: Find the  z -scores for which  90%  of the distribution's area lies between  −z  and  z .

A: From the provided information, 90% of the distribution's area lies between −z and z.

Q: You measure 33 randomly selected textbooks' weights, and find they have a mean weight of 47 ounces.…

A: Answer: - Given sample size n = 33                  sample mean x = 47, and population standard…

Q: Assume that blood pressure readings are normally distributed with a mean of  125  and a standard…

A: Given,sample size(n)=37Mean(μ)=125Standard deviation(σ)=4.7

Q: QUESTION 14 You are interested in investigating the efficacy of a stressor and design an experiment…

A: It is given that the efficacy of a stressor and design an experiment measuring stress levels before…

Q: You are interested in investigating the efficacy of a stressor and design an experiment measuring…

A: The standard deviation of differences for t-test is calculated using the formula given by,  Sd =…

Q: Which of the following represents a monotonic relationship?     None of these explanations…

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: What is df total?

A: What is df total?

Q: QUESTION 5 How do you calculate sum of squares? O multiply the N of the sample to the variance of…

A: Formula Used: Sum of squares = ∑Xi-X2 Sample variance = ∑Xi-X2n-1 degreed of freedom = n-1

Q: Let X represent the full length of a certain species of newt. Assume that X has a normal probability…

A: given data normal distribution μ = 250σ = 3.8n = 118

Q: A standard six-sided die is rolled. What is the probability of rolling a number greater than or…

A: a standard six sided die is rolled.  s  : {1,2,3,4,5,6} P(rolling number greater than or equal to 2)…

Q: A pharmaceutical company producing vitamin capsules desires a proportion of calcium content between…

A: Given,            LSL=40 ppm           USL=55 ppm                μ^=44 ppm               σ^=3 ppm

Q: a) What is the probability that the battery charge for a randomly selected Droid Razr Maxx phone…

A: x1= battery life between Charges for the Motorola Droid Raze Max when the primary wee is talk…

Q: = 2) Let the joint probability function of X & Y be defined by Pxy(x, y) = Is this a proper…

A: First we create the probability distribution table from the above probability function for every…

Q: The Physicians' Health Study is a very large, randomized, double blind study designed to "test the…

A: a) The subjects were assigned into two groups.