A math student estimates that he has a 3/5 chance that he will get an A...
A math student estimates that he has a 3/5 chance that he will get an A on the test, but it is more likely that he will get a B than an A. Explain the flaw in this statement.
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A math student estimates that he has a 3/5 chance that he will
get an A...
Math teachers frequently claim that doing hw helps students get better grades in their math classes....
Math teachers frequently claim that doing hw helps students get better grades in their math classes. To test this claim, a survey of high school math students was conducted from which the following results were obtained: - 48% completed math hw regularly - 55% have a B average or better in math class - 40% do not complete math hw regularly AND have less than a B average in math class Do these data support the claim that students who...
a student figures that he has a 26% chance of being let out of class late.if...
a student figures that he has a 26% chance of being let out of class late.if he leaves class late, there is a 82% chance thst he will miss his train. what is the probability that he gets out of class late and misses the train? the probabililty is
Assume that any student has a 25% chance of getting into a certain college. Let the random variable X denote the number of students (from a total of 5 students who apply) who get into the school. For...
Assume that any student has a 25% chance of getting into a certain college. Let the random variable X denote the number of students (from a total of 5 students who apply) who get into the school. For the following problems do not use calculator commands. a. What are the parameters n and p for the distribution? b. What is the expected number of students (out of the 5) who will be accepted to the school? c. Find the standard...
If a teacher is trying to prove that "new" math is more effective than traditional math, he/she will:
If a teacher is trying to prove that "new" math is more effective than traditional math, he/she will: a) Conduct a one-tailed hypothesis test. b) Conduct a two-tailed hypothesis test. c) Calculate the point estimate of the population parameter. d) Build a confidence interval. e) None of the above.
Math 3301, 3 Pages 5 Exercises lie. Assume all onsider the experiment of rolling a six-sided...
Math 3301, 3 Pages 5 Exercises lie. Assume all onsider the experiment of rolling a six-sided die and a ten-sided rdered) pairs of rolls are equally likely. You may give answers s products. (A) What is the size of the sample space? eO B) What is the chance that the sum of the rolled numbers is ) What is the chance that both rolls are odd numbers? What is the chance that the number on the six-sided die is strictly...
A graduate student in education has developed an mathematical intervention program for under-performing school children. To test the effectiveness of his intervention he administers a math skills ass...
A graduate student in education has developed an mathematical intervention program for under-performing school children. To test the effectiveness of his intervention he administers a math skills assessment at the beginning of the school year to a sample of n-25 students. He then implements the program throughout the year and re-assess the students again at the end of the school year. On average there was a 3 point difference between time 1 and time 2, with a variance value of...
A student takes an exam containing 10 multiple choice questions. Each question has 5 choices. If...
A student takes an exam containing 10 multiple choice questions. Each question has 5 choices. If the student guesses, what is the probability that he will get less than 7 but more than 5 questions right? Round your answer to four decimal places.
A student earned the following marks on his six math tests this semester: 79, 81,...
A student earned the following marks on his six math tests this semester: 79, 81, 44, 89, 79, 90. Find the mean, median, and the mode for the student’s marks. Which of the three averages probably is the best indicator of the student’s ability? If the instructor gives him a chance to replace his score of 44 by taking a ‘make-up” exam, what must he score on the make-up to get an overall average (mean) of 85?
ebLearn Math & Stats for Aero, Mech & Auto (MATH2124_1950) Student Test Page - Statistics :3...
ebLearn Math & Stats for Aero, Mech & Auto (MATH2124_1950) Student Test Page - Statistics :3 Question ........ Question 7 (1 mark) Attempt 1 Each hour an operator inspects 100 pencils and determines if they are acceptable. Historically the proportion of unacceptable pencils has been 0.012. Find the probability that there are no more than (less than or equal to) 3 unacceptable pencils. Use the Normal approximation to the Binomial distribution Your answer can be rounded to three decimal digit...
13. [3] You shuffle a deck of playing cards and the chance you get a diamond...
13. [3] You shuffle a deck of playing cards and the chance you get a diamond card is 0.25. You repeat this process 200 times, putting the card back each time, and out of those 200 attempts you get 57 diamond cards. This demonstrates a. The law of large numbers b. The law of averages 14. [3] You shuffle a deck of playing cards and the chance you get a diamond card is 0.25. You repeat this process times, putting...
Math 3301, 3 Pages 5 Exercises lie. Assume all onsider the experiment of rolling a six-sided die and a ten-sided rdered) pairs of rolls are equally likely. You may give answers s products. (A) What is the size of the sample space? eO B) What is the chance that the sum of the rolled numbers is ) What is the chance that both rolls are odd numbers? What is the chance that the number on the six-sided die is strictly...
A graduate student in education has developed an mathematical intervention program for under-performing school children. To test the effectiveness of his intervention he administers a math skills assessment at the beginning of the school year to a sample of n-25 students. He then implements the program throughout the year and re-assess the students again at the end of the school year. On average there was a 3 point difference between time 1 and time 2, with a variance value of...
ebLearn Math & Stats for Aero, Mech & Auto (MATH2124_1950) Student Test Page - Statistics :3 Question ........ Question 7 (1 mark) Attempt 1 Each hour an operator inspects 100 pencils and determines if they are acceptable. Historically the proportion of unacceptable pencils has been 0.012. Find the probability that there are no more than (less than or equal to) 3 unacceptable pencils. Use the Normal approximation to the Binomial distribution Your answer can be rounded to three decimal digit...
13. [3] You shuffle a deck of playing cards and the chance you get a diamond card is 0.25. You repeat this process 200 times, putting the card back each time, and out of those 200 attempts you get 57 diamond cards. This demonstrates a. The law of large numbers b. The law of averages 14. [3] You shuffle a deck of playing cards and the chance you get a diamond card is 0.25. You repeat this process times, putting...
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