The number of pizzas consumed per month by university students is normally distributed with a mean of 10 and a standard deviation of 4. A. What proportion of students consume more than 12 pizzas per month? Probability = B. What is the probability that in a random sample of size 12, a total of more than 96 pizzas are consumed? (Hint: What is the mean number of pizzas consumed by the sample of 12 students?) Probability =

Q: If you choose to work with a t-score, how many degrees of freedom would you have?

A: Here given  Sample mean = 87 Sample size = n = 25

Q: At what glucose level cutoff would we identify 100 % of diabetics?

A: There are four cases in the measurement of sensitivity and specificity. They are true positive, true…

Q: 5. One therapy based on classical conditioning for people with phobias is called systematic…

A: Given,mean(μ)=10standard deviation(σ)=2.37

Q: In one common system for finding a grade-point average, or GPA, A= 4, B = 3, C = 2, D = 1, F = 0.…

A: Grade point  A=4, B=3, C=2, D=1,F=0

Q: The table below shows the data of x and ý for teh respor a) Draw the scatter diagram and draw the…

A: This question is based on regression analysis. Given data :

Q: Drag each graph given below to its corresponding regression equation to the right. 13. y = -…

A: Given that  All the lines re of the form y=mx+c, where m is the slope of the regression line and c…

Q: The student government claims that 85% of all students favor an increase in student fees to buy…

A: Givenp=0.85n=12Let "x" be the no. students produced in favour of the…

Q: Complete the following table and use it calculate the probabilities given below. BC Total A 0.443…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: It is commonly believed that the mean body temperature of a healthy adult is 98.6^\circ F. You are…

A: Given Population mean μ=98.6. Data given  92.9,71.4,93,90.8,88,99.1,83.1,78.1,84.1,90.8,97.7,97.7

Q: A random sample of college students was surveyed about how they spend their time each week.  The…

A: Given : Reg eq. : Predicted hrs spent watching TV = 17.21 - 0.23 ( hrs spent working ) r = -0.63

Q: A Player 1 В 1,3 0,0

A: Given pay off matrix

Q: You are interested in estimating the the mean age of the citizens living in your community. In order…

A:

Q: Calculate the z test statistic and p-value for the above hypothesis test Pvakue

A: Given that  Sample Mean 1 (\bar X_1)(Xˉ1​) = 2626 Population Standard Deviation…

Q: A professor had students keep track of their social interactions for a week. The number of social…

A:

Q: You work for a company that produces electronics with integrated circuits. One of your products is…

A:

Q: For each of the following Markov chains, determine the long run fraction of the time that each state…

A: Considering the probabilities for the long run (i.e., the steady-state) is to be identified,…

Q: Consider the following estimated regression with a sample of size n=50. AHE = -2.44 – 1.57 » DFemale…

A: While fitting a linear regression model, one of the most important assumption is the the variance of…

Q: 1) choose the sampling method in this senario. b. Cluster e. Quota c. convenience a. Simple Random…

A: Sampling is a technique which used to take sample from a large population. They are broadly…

Q: Rhino viruses typically cause common colds. In a test of the effectiveness of echinacea, 44 of the…

A: There are two independent samples which are treatment group and placebo. We have to test whether…

Q: The lifetime of a type of battery, in hours, from a sample provided by a manufacturer is as follows…

A: For the given sample, The sample variance is, s^2=8.4889 and the sample standard deviation is…

Q: 8.7 If you test a hypothesis and reject the null hypothesis in favor of the alternative hypothesis,…

A: To test the hypothesis we always want to reject null hypothesis. Our motive of testing is to reject…

Q: 1. A small study aims to see the correlation between having a tattoo and cases of clinical…

A: Here AS PER NOTE GIVEN I HAVE CALCULATED Q1

Q: 6. In year 2022 a random sample of 35 households in Ottawa found that the average annual internet…

A: The random variable annual internet service cost per household follows normal distribution. We have…

Q: 3. Suppose Y,.Y,...Y are iid from a geometric (p) distribution.. If p 0.20, use the CLT 540 to…

A: Let, Y1, Y2, ....,Y540 are iid random variables from geometric distribution with parameter p=0.20.…

Q: 1) What are the values of C and k of the term Cykx20 in the polynomial expansion of (x² + y )100? 2)…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The number of constraints in each of the following hypotheses is (1) B1 + B2 = B3 = B4 (ii) Bz and…

A: The constraints are nothing but the total number of equations involved in the given hypothesis.…

Q: In the estimation of the population mean, what if given that last year mean is 7.05 and SD is…

A: Confidence Interval provides a range of values for the estimated parameter.

Q: 1) What is the variable of interest? Scenario: A study on the scores in the aptitude test of the…

A: The desired variable and the population of interest are to be identified for the desired study on…

Q: In order to test the hypothesis, you need to choose a critical -Score.

A: The choice of the appropriate distribution in a statistical test is subject to different factors.

Q: Given the interval estimate for the mean (6.8, 18), the point estimate for the mean is and the…

A: Given that  The interval estimate of the mean = ( 6.8  , 18 )   We know that  Interval estimate =…

Q: c. Age of first heart attack - The horizontal axis is age. The vertical axis is frequency (number of…

A: We want to tell you which one is the correct choice

Q: To study the effect of temperature on yield in a chemical process, five batches were produced at…

A: Analysis of variance table: Excel Procedure: Enter the data for 50C, 60C and 70C in Excel…

Q: A researcher wishes to determine whether the blood pressure of vegetarians is, on average, lower…

A:

Q: ientist is interested in two different types of particles; type A and type B. The time that it takes…

A:

Q: Suppose the sample space for a continuous random variable is 0 to 400. If the area under the density…

A: Since we know that in any probability distribution, the total area under  probability distribution…

Q: Statistics: Solve the following statistical problems using correlation. 1. The final test and exam…

A: a) Regression Equation: Excel Procedure: Enter statistics and OR in Excel>Data>Data…

Q: The sample data is given as, 1470 1510 1690 1740 1900 2000 2030 2100 2190 2200 2290 2380 2390 2480…

A: Given data is…

Q: List the sample space.                           ["", ""]            Let A be the event that there…

A: here given an experiment consists of tossing nickel , dime and quarter  that is total 3 coins are…

Q: In a classification setting the primary objective should always be to achieve the lowest possible…

A: True  In a categorisation scenario, the main goal should always be to achieve the lowest possible…

Q: Assume that a simple random sample has been selected from a normally distributed population and test…

A: Claim : sample is from a population with a mean less than 1000 hic.

Q: Consider a sample of 52 football​ games, where 33 of them were won by the home team. Use a 0.10…

A: Given x=33 n=52 P=0.5

Q: 1) Which of the following statements is/are true? 1. The relative frequency is equal to the…

A: Since we know that Relative frequency formula in terms of  percentage os defined as R. F. =( f / N )…

Q: In a classification setting the primary objective should always be to achieve the lowest possible…

A: True, in a categorization scenario, the main goal should always be to achieve the lowest possible…

Q: 2. Miguel and Luis are playing a game. Miguel will roll a number cube and Luis will guess the number…

A: Here AS PER note given I have calculated 2

Q: Q104. How many years did you attend school, not including years spent in infant and basic school?

A: Given that, Let X be the random variable denotes the number of hours worked by female   The variable…

Q: 2. In a theoretical experiment of flipping a coin 15,000 times, it is found that 7,515 are heads. A.…

A: Introduction:  Proportion:  In the binomial experiment, the point estimator of the population…

Q: You measure 34 watermelons' weights, and find they have a mean weight of 65 ounces. Assume the…

A: Here, mean is 65 and standard deviation is 11.1. Sample number is 34. We will find margin of error.

Q: Assume you choose a level of significance of a = 0.05, what is the critical value? 2.064 O 1.318 O…

A:

Q: Express the confidence interval (465.3, 675.5) in the form of i± ME. * + ME =

A: We have given that  The confidence interval is (465.3, 675.5)

Q: A sociologist plans to conduct a survey to estimate the percentage of healthcare professionals who…

A: From the provided information, Confidence level = 92% Margin of error = 3%