uop

posted by .

How many riders would there have to be on a bus to yield (a) a 50 percent probability that at least two will have the same birthday? (b) A 75 percent probability? Hint: Use LearningStats.

  • uop - Math -

    Please type your Subject in the School Subject: box.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math

    the smallest number of people in a room where the probability of two of them having the same birthday is at least 50 percent. Answer is between 1 and 31. This is a classic problem given in probability classes. There are plenty of sites …
  2. math

    the smallest number of people in a room where the probability of two of them having the same birthday is at least fifty percent Please post under one name. The smallest class where the chance of finding two people with the same birthday …
  3. math, help

    I need help or hint on the setup: what is the probability that at least 2 students in a class of 36 have the same birthday?
  4. MATH, HELP

    what is the probability that at least 2 students in a class of 36 have the same birthday?
  5. Math_Statistics

    Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: a.In what interval you would expect the middle 95% of the IQ scores to be found. b.What percent of people would …
  6. Statistics

    Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: a.In what interval you would expect the middle 95% of the IQ scores to be found. b.What percent of people would …
  7. math

    A bond has an average return of 6.8 percent and a standard deviation of 4.6 percent. What range of returns would you expect to see 68 percent of the time?
  8. Chemistry

    I have this question and I am pretty sure on what to use to solve it but I am just stuck. The reaction of 8 g of hydrogen and 28 g of carbon monoxide gave 16 g of methanol. What was the theoretical yield if the percent yield was 50%?
  9. Math Probability

    A math class has 20 students who choose a topic from a list for an essay. How big pool is necessary for the probability of at least one duplicate to drop below fifty percent?
  10. Statistics

    In group of three friends what is the probability that at least two have the same birthday?

More Similar Questions