Identify the discrete random variables (select all that apply). W = Travel distance to the nearest gas station U = Number of pre-existing conditions of a patient in the hospital X = Number of programming languages a student is proficient in Z = Length of an interview for a summer internship position Y = Attendance at SoFi Stadium for a Rams football game V = Time it takes for a C++ program to compile None of the above.

Plz solve  it correctly I vill give 4 upvotes.

Every day a school bus driver passes the same traffic light twice, once before school and once after. Each time he passes the light, he records if it is red, green, or yellow. Here is a summary of the data he got after 200 days. Traffic light before school red red red green green green yellow yellow yellow Traffic light after school red green yellow red green yellow red green yellow Number of days 25 38 12 34 36 11 16 13 15 Suppose the driver will continue recording the colors for 150 more days. In how many of these 150 days will the light be yellow exactly once? Use the data to make a prediction.

Confidence interval....Please help. The alpha is 0.05 level of significance.

The ABAB single-subject design is similar to the ____________ quasi experimental design.   regression discontinuity interrupted time series repeated treatment mixed factorial

For this item, complete the choice matrix by clicking the appropriate answer in each row. The table shows the results from a random survey asking participants their age and current systolic blood pressure. Age (years) Systolic Blood 24 26 30 34 36 45 50 55 108 104 132 119 128 140 135 146 Pressure If a student correctly makes a scatter plot of the data from the survey, determine whether each statement is true or false. True False There are no outliers in the data. There is a positive association in the data. There is a nonlinear association in the data. A Calculator Chp esc % 3. W e

USE DESCRIPTIVE STATS A report shows that Covid-19 reduced household expenditure in Europe by 8% in 2020. Elsewhere, consumer spending also dropped significantly in 2020, with 4% seen in the United States, and 17% reported in China (Broom, 2021).After reading the report, Mr. Goh, a student of Singapore University of Social Sciences, was interested to find out how Covid-19 has affected the household spending in Singapore. Surprisingly, he found news saying that consumer spending among Singapore residents was resilient and at a similar level to 2019 (Choo, 2021).In order to have a better understanding of the impact of Covid-19 on household spending of Singapore residents, Mr. Goh decided to conduct a survey. He got a random sample of 32 students from Singapore University of Social Sciences, and collected data on their average monthly household expenditure in 2019 and 2020. Based on his own experience, he hypothesised that the household expenditure of Singapore residents in 2020 is lower…

A psychologist developed a new test of adult intelligence. The test was administered to 20 individuals and the data entererd into the Microsoft Excel Online file below. Construct a stem-and-leaf display for the data, using a leaf unit of 1.

Please don't give handwritten answer ...thanku

i need help The Always Run Company advertises that its flashlight batteries last longer than batteries made by itscompetitors. We randomly select 5 pairs of batteries from the latest production run of Always Run batteriesand from three of its competitors. When tested in a standard flashlight, the data show how many minuteseach battery pair lasted.Always Run Competitor A Competitor B Competitor C98 94 90 9291 90 86 8797 88 87 9095 91 91 9294 92 91 84 a) What are the null and (nondirectional) alternative hypotheses?b) Calculate SSw and SSbet.c) What are dfbet and dfw?d) Calculate and .e) Conduct the F test with a .05 level of significanc