Webin a certain statistics class, the marks obtained by students on a class test followed a normal distribution with a mean of 68 and a standard deviation of 10. What is the probability that the mean test mark from a sample of 25 students from the class was more than 70? --- t (70) = (70-68)/ [10/sqrt (25)] = 1 --- WebAnswer (1 of 24): if , students good in math = 72% Total no. of students= 25 then, percent are used to have 100. Therefor, 72×25÷100 = 18 Then , no of students good in math = …

72% of 25 students are good in Mathematics. How many are …

WebIf 72% of 25 students like maths, find out the number of students who do not like mathematics? answer choices 8 9 7 Question 6 900 seconds Q. The price of a motorcycle was Rs. 34,000 last year. It has increased by 20% this year. The price of motorcycle now is: answer choices Rs 36000 Rs 38,800 Rs 40,800 Rs 32000 Question 7 900 seconds Q. WebTo date, 1 out of every 25 students has failed the online class and 3 out of every 50 students have failed the face-to-face class. However, the online class is only offered 10% of the time due to faculty constraints and the face-to-face class is … primary education advisor jobs

STUDENT SCORE DISTRIBUTIONS* AP Exams - May 2024

Web23 feb. 2024 · 72% of people say gamification motivates them to do tasks and work harder on the job. 67% of students agree that gamified learning is both more engaging and motivating than traditional classes. The global game-based products and services market is expected to grow at a compound annual growth rate of 12.9% between now and 2025. WebHence, 72% of 25 = (72/100) × 25 = 18 students Now, from 25 students, 18 students like maths Thus, the number of students who do not like maths = 25 – 18 = 7 students 6. A person goes shopping and spends 75% of his money. If he is now left with Rs. 600, find out how much he had in the beginning. Solution: WebOut of 100%, 72% drink coffee and 44% drink tea, Using the formula, ⇒ 100 = 72 + 44 – n (AnB) ⇒ 100 = 116 – n (AnB) ⇒ n (AnB) = 16 According to the question, ⇒ 16 = 40 ⇒ 1 = 40/16 Total number of person in the group, ⇒ 100 × 40/16 ⇒ 25 × 10 ⇒ 250. ∴ Total number of people in the group is 250. Concept Used: Using the Venn diagram Calculation: primary education aberdeen