From a population of people with unrelated birthdays 30, Ask an Expert

Statistics

From a population of people with unrelated birthdays, 30 people are selected at random. What is the probability that exactly four people of this group have the same birthday and that all the others have different birth-days (exactly 27 birthdays altogether)? Assume that the birthrates are constant throughout the first 365 days of a year but that on the 366th day it is one-fourth that of the other days.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92680148

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Assume 20 of customers who enter a clothing store make a

Assume 20% of customers who enter a clothing store make a purchase and customers behave independently of one another. Ten customers enter the store in the next hour. The salesman on duty makes $20 per hour plus a $10 com ...

Suppose a stock has just paid a 44 per share dividend d0

Suppose a stock has just paid a $4.4 per share dividend (D 0 ). The dividend is projected to grow at 15% for the next three years, then 6% thereafter indefinitely. What should be the amount of dividend in four year ...

Describe the steps you tookthere are 652 males 396 say they

Describe the steps you took. There are 652 males, 396 say they have been to dentist in past year. Give a confidence interval for 90% of the population proportion.

Jen and barry perform a survey of consumers about home meal

Jen and Barry perform a survey of consumers about home meal salad preferences ("fresh" or "fast"). 395 consumers said they prefer to make fresh salad. 426 said they prefer to make salad fast (out of a bag). 331 said they ...

A population has a mean mu equals84 and a standard

A population has a mean mu equals84 and a standard deviation sigma equals6. Find the mean and standard deviation of a sampling distribution of sample means with sample size n=36.

A professor records the following final exam scores 68 6 m

A professor records the following final exam scores: 68 6 (M SD). Students scoring in the top 18% get an A. What is the cutoff score for the top 18% in this example?

In a recent year 8415394 male students and 4879215 female

In a recent year, 8,415,394 male students and 4,879,215 female students were enrolled as undergraduates. Receiving aid were 62.9% of the male students and 68.3% of female students. Of those receiving aid, 41.9% of the ma ...

An independent measures study with n 6 in each sample

An independent measures study with n = 6 in each sample, produces a sample mean difference of 4 points and a pooled variance of 12. What is the value for the t statistic?

1 this table summarizes the results from

1) This table summarizes the results from along+termrandomized clinicaltrial to determine whether aspirin reduces the risk of heart attack. Researchers randomly assigned a large sample of healthy male physicians (22,07 ...

Ages of ceos of companies throughout the united states and

Ages of CEOs of companies throughout the United States, and answer the questions that follow. Event A : CEO is under 40 Event B : CEO is at least 30 Event C : CEO is in his or her 50s Event D : CEO is under 60 1. Even ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert