Question: A math class has 20 students. What is the probability that at least two students have the same birthday? Assume that nobody was born on

A math class has 20 students. What is the probability that at least two students have the same birthday? Assume that nobody was born on leap day, so there are 365 possible birthdays.

Step by Step Solution

★★★★★

3.47 Rating (167 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

With 20 students there are 20 192 190 pairs of students The probability that the student... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

CS-CN (341).docx

120 KBs Word File

Students Have Also Explored These Related Computer Network Questions!

What is the probability that at least one member of the couple is affected? Suppose the probability that both members of a married couple, each of whom is 7579 years of age, will have Alzheimers...

What is the probability that at least 2 women will have a low birth-weight delivery? Obstetrics A study was performed of different predictors of low birth-weight deliveries among 32,520 women in the...

What is the probability that at least one child will get influenza? Suppose an influenza epidemic strikes a city. In 10% of families the mother has influenza; in 10% of families the father has...

A normal random variable has an unknown mean and standard deviation 2 if the probability that exceeds 7.5 is 0.8023, find 18 50 students take 10-points exam, 58 of them passed the exam; if the...

5.0 Points Question 1 of 20 If three people are selected at random, nd the probability that at least two of them have the same birthday. A. 0.07 B. 0.02 C. 0.01 D. 0.001 Question 2 of 20 Find the...

I need help with my attached statistics homework. THIS IS NOT A Quiz. I also screenshot some of the questions multiple times to show the select options. This is all the relevant information....

BA 1605: Midterm Recap (Due: Feb. 27, 2015) Name _____________________________ 50 Student ID _____________________________ Section 01B 10:00~11:20 am Section 02B 01:00~02:20 pm [Questions 4 ~ 7] The...

A 2 . At a water treatment plant, 5 0 % of the treatments are done by mechanical processes ( e . g . settling and filtration ) , 4 0 % by chemical processes ( such as disinfection and coagulation ) ,...

8.9 Duplicate birthdays There are 30 students in Austin's Pre-calculus class, all unrelated. He wants to bet you $1 that at least two of the students were born on the same day of the year (same month...

1)There was an old TV game show called "Let's Make a Deal" where the contestants would dress in funny costumes and try to win prizes from the host Monty Hall.You are a contestant on this show and...

I have argued that paw-lick latencies can reasonably be taken to be an interval scale of pain sensitivity in mice. Suppose that someone else felt that the square root of paw-lick latency was more...

One of Tonic Corps employees invented a revolutionary coffee lid that cools coffee as you drink it in order to prevent burns. Two children ordered coffee and burned their mouths after failing to...

84. LO.8 Albert owns 100 acres of land on which he grows spruce Christmas trees. His adjusted basis for the land is $100,000. He receives condemnation proceeds of $10,000 when the citys new beltway...

How many orbitals correspond to each of the following designations? (a) 4s (b) 6pz (c) 4d (d) n = 2

The Perth International Co. anticipates 42 million Australian dollars (A$) earnings in Australia next year (i.e., year-one). It expects 60 million Hong Kong dollar (H$), 62 million Singapore dollar...

Write a paper on rhetorical analysis analyze rhetorical elements use logos, ethos, and pathos as means of persuasion;

Write an essay on Rhetorical analysis about two documents about mechanical engineering For this essay, you will compare and analyze two documents that involve writing in your field for two different...

If the Fed wants to expand the money supply, why is it more likely to do so by purchasing bonds and other financial assets rather than by lowering reserve requirements?

After depositing R5 000 all the beginning of every binunits for 20 Mold, Maity has R325.000 in lien account. Determine the interest ratech III Crned that even thin linterest will be compounded...

Time line of cash dividend. Atlantis Manufacturing, Inc. issues the following press release: "Atlantis Manufacturing will pay a quarterly dividend of $1.20 per share to record holders as of the 15 th...

High Flyer, Inc., wishes to maintain a growth rate of 1 7 . 7 5 percent per year and a debt - equity ratio of 1 . 2 5 . The profit margin is 4 . 1 percent, and total asset turnover is constant at 1 ....