question 27 59% of students entering four-year colleges receive a degree within six years. Is this percent smaller than for students who play intramural sports? 124 of the 243 students who played intramural sports received a degree within six years. What can be concluded at the level of significance of αα = 0.05? The null and alternative hypotheses would be: Ho: p= (please enter a decimal) H1: p< (Please enter a decimal) 2.The test statistic _______ (please show your answer to 3 decimal places.) 3.The p-value = ______ (Please show your answer to 4 decimal places.)

Q: Directions: Cite five (5) situations in your community where you can apply hypothesis testing. Then,…

A:

Q: Assume the weight of Koala bears is normally distributed with a mean of 21 lbs and a standard…

A:

Q: A license plate consists of two upper-case letters followed by three numbers. a) Find the number of…

A: Introduction: The number of possible license plates is to be obtained.

Q: From the scores in subject EQT203 for 8 students, it was found that the mear score is 73 and the…

A:

Q: An economist wants to find out if there is difference in the monthly expenses of families from…

A: There are two independent samples which are Makati and Quezon City. We have to find the computed…

Q: We use the form ý -a + bx for the least-squares line. In some computer printouts, the least-squares…

A: Given that

Q: The overhead reach distances of adult females are normally distributed with a mean of 195 cm and a…

A:

Q: DATA ANALYSIS PROBLEM SOLVING A town council commissioned a random sample of 85 households to…

A: x      f(x)        f*x  (x-2.541)^2 f*(x-2.541)^20       1            0    6.456681 6.4566811…

Q: During a barangay census, the following information was acquired. 15 children out of 23 are…

A:

Q: In a class of 20 students of computing, 9 are female and 11 are male. The results of first-year JAVA…

A: The provided information is x x2 48 2304 49 2401 49 2401 30 900 31 961 32 1024 35…

Q: b) Given the following data: Month Sales Month Sales July August September 38.0 October November…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: 2. Some scientists believe that the presence of antibody to milk protein lowers the chance of…

A: Given that Some scientists believe that the presence of antibody to milk protein lowers the chance…

Q: . The arrow diagram represent the logical sequence of activities in research and development program…

A:

Q: n a randomized controlled​ trial, insecticide-treated bednets were tested as a way to reduce…

A: Given X1=20 X2=33 N1=345 N2=293

Q: For x = 1, 2, 3 and y = 1, 2, let the joint pmf of X and Y be defined by fX,Y (x, y) = x + y/21…

A: Solution

Q: For two random variables X and Y, var(X+Y) and var(X-Y) = var(X) + var(Y)+2CXY = var(X) +…

A:

Q: An airline is trying two new boarding procedures, Option 1 and Option 2, to load passengers onto…

A: There are two independent samples which are Option 1 loading time and Option 2 loading time. We have…

Q: A consumer group claims that the mean annual consumption of banana by a person in the Philippines is…

A:

Q: A random sample of 100 observations from the first population was found to have a sample mean of 85…

A: The following information has been provide.  Sample mean1 = 85 Sample mean 2 = 93 Sample size 1 =…

Q: For the density curve below, what percentage of people weigh between 150 and 152 pounds? 0.20 0.15…

A:

Q: Using the normal distribution and the z- table prove the critical values of the commonly used…

A: The objective is to prove the critical value for the given confidence level i.e., 95%.

Q: . Given the following data set, calculate the appropriate capability statistics for this process…

A:

Q: For two random variables, X and Y, the inequality |O xy | soxO, is true. XY

A:

Q: Assume that X has a hypergeometric distribution with p.d.f. OC n n, r-x S(x) = where x<r, rsn, and…

A: Solution: From the given information, the p.d.f of hyper geometric distribution is

Q: store.

A:

Q: A town council commissioned a random sample of 85 households to estimate the number of four-wheel…

A: From the given information we find the 99% confidence interval.

Q: Use normal approximation to estimate the probability of getting exactly 50 giris in 100 births.…

A:

Q: Find the critical value zα/2 that corresponds to α=0.03. Question content area bottom Part 1…

A: We have given that,  Significance level (α) = 0.03 Then,  We will find the critical value for…

Q: An insurance company issues a special policy to (65) with the following benefits: (i) A death…

A:

Q: 9. The investments in different companies as given below. You find A.M. Investments MoreMore More…

A:

Q: A survey of 1200 citizens showed that 715 trust the president, Compute a 95% confidence interval lor…

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

Q: 13. What is the Relative Risk for these data?

A: The given data set is, The formula for calculating the relative risk is,

Q: Given the values in Part 1. Check if the sample data truly represents the population data at 5%…

A: Note: As per guidelines we are supposed to solve only one question at a time. please repost the…

Q: In a specific area, this period of time, it is believed that the number of thunderbolts that are…

A:

Q: A university counselor believes that hypnosis is more effective than the standard treatment given to…

A: Given Information: Hypnosis Treatment Standard Treatment 20 42 21 35 33 30 40 53 24 57…

Q: Chocolate chip cookies have a distribution that is approximately normal with a mean of 24.8…

A: The question is about normal dist. Given : The mean of chocolate chips per cookie ( μ ) = 24.8 The…

Q: Let random variable X be uniform in the interval (0, 1). Define random variable Y = aX + b where a…

A: Given that X ~ U0,1 and Y=aX+b such that a≠0

Q: 1. The incidence of cancer among phosphate mine workers and their exposure to radiation was…

A: It is given: For validating the relationship between the incidence rate of cancer and the specified…

Q: An economist wants to find out if there is difference in the monthly expenses of families from…

A:

Q: DATA ANALYSIS PROBLEM SOLVING The mean GPA for a random sample of 120 students from a large…

A:

Q: explain the difference between a distribution function, moment generating function and probability…

A: The distribution function: A function that represents the discrete probability distribution is…

Q: Let X be a random variable with a mean of 50 and a variance of 64. Find: i. P(x< 52) ii. P(35 < X <…

A:

Q: 6. Among private employees of a certain company, 60% know Java, 50% Python languages. a) What is the…

A: Among private employees of a certain company 60% know java 50% knows Python 30% knows both…

Q: In a research report in New York University, it is claimed that mice with an average life span of 32…

A:

Q: 1. For the following sets of data, find the mean, variance, and standard deviation: 2 6 8 8 8 8 11…

A:

Q: During a barangay census, the following information was acquired. 15 children out of 23 are…

A: Solution: The given information can be written  in tabular form as given below    Children…

Q: "A manufacturer of shampoo claims that 27% of the shampoo users prefer brand X. To test this claim,…

A: Given : n = 53 X = 8

Q: question 31 Using your favorite statistics software package, you generate a scatter plot with a…

A:

Q: Use the given information to find the number of degrees of​ freedom, the critical values χ2L and…

A: We have to find confidence interval for population standard deviation (σ )    Formula :  (n-1) s2χR2…

Q: Question 2 2.1 Solve the below problem: Caltex, a South African oil company will drill a succession…

A: The question is based on a geometric dist. Given : Prob. of success of finding productive well ( p )…