Question

Aud and Wen have four kids. I ask them what day of the year their children...

Aud and Wen have four kids. I ask them what day of the year their children were born on.


(a) Give two different examples of an element in the sample space.

(b) What is the cardinality (i.e. size) of the sample space?

(c) What is the probability that none of the children were born on the same day?

(d) What is the probability that at least two of them were born on the same day?

(e) What is the probability that exactly two of them were born on the first day of the year?

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
8 kids are randomly grouped into an A team with 4 kids and a B team...
8 kids are randomly grouped into an A team with 4 kids and a B team with 4 kids. Each grouping is equally likely. (a) What is the size of the sample space? (b) There are three kids in the group, Alex and his two people from his hometown, Sarah and John. What is the probability that Alex ends up on the same team with at least one person from his hometown? Please show all work.
I have two children. (a) At least one of them is a girl. What is the...
I have two children. (a) At least one of them is a girl. What is the probability that both are girls? (b) The older one is a girl. What is the probability that both are girls? (c) I have a daughter whose name is Jane. What is the probability that both are girls?
In a group of 5 people, what is the probability that at least two were born...
In a group of 5 people, what is the probability that at least two were born on the same day of the week?  Give your answer to three decimal places.
What is the probability that, in a group of 7 people, at least two were born...
What is the probability that, in a group of 7 people, at least two were born in the same month (disregard day and year)? Assume each person is as likely to be born in one month as another.
"What do you think is the ideal number of children for a family to have?" A...
"What do you think is the ideal number of children for a family to have?" A poll asked this question of 1011 randomly chosen adults. Almost half (49%) thought two children was ideal. Suppose that p = 0.49 is exactly true for the population of all adults. The polling company announced a margin of error of ±3 percentage points for this poll. What is the probability that the sample proportion p̂ for an SRS of size n = 1011 falls...
"What do you think is the ideal number of children for a family to have?" A...
"What do you think is the ideal number of children for a family to have?" A Gallup Poll asked this question of 1016 randomly chosen adults. Almost half (49%) thought two children was ideal.† We are supposing that the proportion of all adults who think that two children is ideal is p = 0.49. What is the probability that a sample proportion p̂ falls between 0.46 and 0.52 (that is, within ±3 percentage points of the true p) if the...
5.70 The ideal number of children. “What do you think is the ideal number of children...
5.70 The ideal number of children. “What do you think is the ideal number of children for a family to have?” A Gallup Poll asked this question of 1020 randomly chosen adults. Slightly less than half (48%) thought that a total of two children was ideal. 20 Suppose that p = 0.48 is exactly true for the population of all adults. Gallup announced a margin of error of ±4 percentage points for this poll. What is the probability that the...
I am going to roll two fair dice. List the sample space What is the probability...
I am going to roll two fair dice. List the sample space What is the probability that I will roll a 3 on one of them when I roll both at the same time? What is the probability that I will roll at least a sum of 7 when I roll them both? Define mutually exclusive Define independent
Children with autism have larger brains than children without the disorder, and the growth appears to...
Children with autism have larger brains than children without the disorder, and the growth appears to occur before age 2, according to a new study released Monday. Previous imaging research found differences in the brains of children with autism and those without. It’s not clear if autism causes the brain changes or if the changes cause autism, a neurodevelopmental disorder characterized by deficits in social interaction and communication. A 2005 study by researchers at the University of North Carolina at...
What should I buy? A study conducted by a research group in a recent year reported...
What should I buy? A study conducted by a research group in a recent year reported that 57% of cell phone owners used their phones inside a store for guidance on purchasing decisions. A sample of 15 cell phone owners is studied. Round the answers to at least four decimal places. Part 1 of 4 (a) What is the probability that five or more of them used their phones for guidance on purchasing decisions? The probability that five or more...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT