In a class of 25 students the probability
WebApr 2, 2024 · The probability that a selected student scored more than 65 is 0.3446. To find the probability that a selected student scored more than 65, subtract the percentile from 1. Answer b. Draw a graph. Then find P ( x < 85), and shade the graph. Using a computer or calculator, find P ( x < 85) = 1. normalcdf ( 0, 85, 63, 5) = 1 (rounds to one) WebStatistics and Probability questions and answers. In a class of 25 students, 10 are males and 15 females. If a random selection of three students is done, what is the probability that the three students will be males? (Round to three decimal places) Question: In a class of 25 students, 10 are males and 15 females.
In a class of 25 students the probability
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WebApr 14, 2024 · Here are some examples of Assertion Reason Questions in Class 11 Maths: Example 1: Assertion: The sum of the angles of a triangle is 180 degrees. Reason: The angles of a triangle are in a ratio of 1:2:3. Solution: The assertion is true as it is a well-known fact in geometry that the sum of the angles of a triangle is 180 degrees. WebAccording to government data, the probability that a woman between the ages of 25 and 29 was never married is 40%. In a random survey of 10 women in this age group, what is the mean and standard deviation of the number that never married? mean: 4; …
WebMay 18, 2024 · Answer: Step-by-step explanation: Discussion 9 with a sister 13 with a brother 7 with neither. The total is 29 so you are counting some siblings twice. There are 29 - 25 students that have both, so 4 students have both. P (brother and sister) = 4/25 P (brother and sister) = 0.16 Answer P = 0.16 Advertisement Advertisement WebA class of 25 students has 15 girls and 10 boys. If one student is chosen at random, what is the probability it is a girl? Answer provided by our tutors P(the chosen student is a girl) = 15/25. P(the chosen student is a girl) = 0.6 or 60%. …
WebStatistics and Probability; Statistics and Probability questions and answers; 11 A class of 25 students was given a survey. The results are given in the following table. Get Allowance No Allowance Total Do Chores 16 4 20 Do Not Do Chores 2 3 5 Total 18 7 25 If a student is chosen that does chores, what is the probability that they get an allowance. WebOct 20, 2024 · What is the probability that in a class of 25 students: at least two are born in the same month; at least three are born in the same month? It's obvious that the first probability P ( A) is 1 because there are 12 months in a year, so there must be two students that are born in the same month.
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WebMay 15, 2024 · The probability that a student chosen at random has a cat and a dog is; P (cat and dog) = 9/25. According to the question, the total number of students is; 25. 15 of them have a cat 16 of them have a dog while, 3 of them have neither The information above are drawn in a Venn diagram in the attached image. easy cowardly lion makeupWebThere are 60 students in a class among which 30 are boys. In another class, there are 50 students among which 25 of them are boys. If one from each class is selected, What is the probability of both being girls? cups in lb of sugarWebOct 16, 2024 · Total students = 25. Total girls = 10. Total boys = 25 - 10 = 15. The probability that any one of the girls will be absent = 0.2 . The probability that any one of the girls will … easy cowardly lion costumeWebView 4 solutions. Question Text. A survey of the reading habits of some students revealed that, on a regular basis, 25% read quality newspapers, 45% read tabloid newspapers and 40% do not read newspapers at all. Find the proportion of students who read both quality and tabloid newspapers. Topic. cup singerWebOct 20, 2024 · What is the probability that in a class of $25$ students: at least two are born in the same month; at least three are born in the same month? It's obvious that the first … cups in lb of butterWebM 362K: Probability I In-Class Team Challenge Questions for Measures of Central Tendency Day 8 Instructions: You should consult in teams of students of size 4. Each team member … cups in milliliterWebCalculates a table of the probability that one or more pairs in a group have the same birthday and draws the chart. ... 2024/10/11 06:24 Under 20 years old / High-school/ University/ Grad student / Useful / Purpose of use ... 2024/10/25 06:09 30 years old level / An office worker / A public employee / Very / cups in lb of rice