**Question:** What is the expected number of classes a student will take in a given semester?*Explanation for Educational Website:*This question aims to determine the typical course load for a student during a semester. It assists in understanding workload expectations and planning academic schedules effectively. Depending on the academic program and institutional guidelines, the standard number of classes can vary. Typically, a full-time undergraduate student might enroll in 4 to 6 courses, while graduate programs can have different structures. **Questions 1-4: Probability Distribution of Classes Taken by a Student**The number of classes (\(X\)) a student takes in a given semester follows the following probability distribution:| Classes (\(X\)) | 0 | 1 | 2 | 3 | 4 | 5 ||-----------------|-----|------|------|------|------|------|| Probability (\(P(X)\)) | 0.4 | 0.25 | 0.15 | 0.08 | 0.02 | ??? |- The values for \(X\) range from 0 to 5, representing the number of classes a student might enroll in.- The probabilities for each corresponding \(X\) value are provided, except for \(X = 5\), which is currently unknown.- The probability for each \(X\) is denoted as \(P(X)\) and must sum up to 1 for a valid probability distribution.The table illustrates a discrete probability distribution where the likelihood of a student taking more than four classes decreases significantly. The missing probability for \(X = 5\) can be determined by ensuring the sum of all probabilities equals 1.

Given that Probability mass function of X is X 0 1 2 3 4 5 P(X) 0.4 0.25 0.15 0.08 0.02 ?

Answered: 4. What is the expected number of…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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4. Find the probability that we will randomly choose the correct finishing order of the first,second, and third place for the hurdlers out of 50 contestants.
According to a study conducted by a statistical organization, the proportion of people who are satisfied with the way things are going in their lives is 0.78.Suppose that a random sample of 100 people is obtained. Complete parts (a) through (e) below.
23. Precipitation In Akron, Ohio, the mean number of days in April with 0.01 inch or more of precipitation is 14. Find the probability that the number of days in April with 0.01 inch or more of precipitation in Akron is (a) exactly 17 days, (b) at most 17 days, and (c) more than 17 days.
31-
12. Calculate the expected life of refrigerators at the age of 7 using the following data. Age: up 2 2-4 4-6 6–8 8-10 10-12 16 13 7 5 4 Girls:
7. According to a college survey, 22% of all students work full time. In a survey of 14 students, what is the probability that no more than 2 of them work full time?
The table below represents the number of portable household generators sold by 20 Gauteng-based enterprises in the fourth quarter of 2022. 35 50 66 45 25 79 31 42 19 41 5 75 62 48 69 56 83 45 39 98 Given that the average selling price of a portable household generator was R15, 000 during the fourth quarter of 2022, what is the expected total revenue generated from the sale of the portable household generators by all the enterprises that sold at least 60 portable household generators during the quarter? Using the raw data, determine the standard deviation and coefficient of variation of the sample data. Given that the average selling price of a portable household generator was R15, 000 during the fourth quarter of 2022, what is the expected total revenue generated from the sale of the portable household generators by all the enterprises that sold at least 60 portable household generators during the quarter? 2. To extract…
1. An average of 3 cars arrived at a highway tollgate every minute. What is the probability that at most 45 cars will arrive in a quarter of an hour.
15. A box contains 18 batteries of which 2 are known to be defective. You reach in and remove 5 batteries. Find the expected number of defective ones.
researcher wonders if the amount of sleep new parents get is associated with how grumpy they are. The researcher recruits a sample of 100 new parents and asks them (1) how many hours of sleep they are getting each night, (2) how many hours of sleep their baby is getting each night, and (3) how grumpy they 4 are on a scale from 0 (not at all grumpy) to 100 (very grumpy). They saved the results to a file called hwo_parenthood. cs. Load the data into jamovi and answer the following questions. 3. What is the value of the test statistic for each association? 4. What is the degrees of freedom for each association? 5. What is the precise p-value as reported by jamovi for each association? Make sure you report the value to at least three decimal places. 6. Which of the associations are significant?? 7. What is the direction of each association ? 8. What is the effect size for each association? Are they weak, moderate, or strong? 9. What does each of the associations mean in plain language?

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4. What is the expected number of classes a student will take in a given semester?