For the above classic birthday problem, a simulation begins by representing birthdays by integers from 1- 365, where 1 represents January 1st and so on. Randomly generate 20 different groups of 25...

For the above classic birthday problem, a simulation begins by representing birthdays by integers from 1- 365, where 1 represents January 1st and so on. Randomly generate 20 different groups of 25...

What does z=

A study on smoking habit among students at University ABC shows that 25% of males are smokers and 4.5% of females are smokers. The sample for the study consists of 1000 students where 450 of them...

The probability that Sandra gets a ride to work on any morning is 0.7. The probability that she gets a ride 3 times in a 5-day work week is , and the probability that she gets a ride at...

Answer this word problem

The probability that Sandra gets a ride to work on any morning is 0.7. The probability that she gets a ride 3 times in a 5-day work week is XXXXXX, and the probability that she...

Five people buy individual insurance policies. According to the research, the probability of each of these people not filing a claim for at least 5 years is . The probability that all 5 have not...

When Kevin plays chess with Aaron, the probability that Kevin wins is 0.75. If Aaron and Kevin play 25 games, what is the probability that Kevin wins exactly 15 times? 0...

An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succession and that the face values of the...

6.4.11 The assets (in billions of dollars) of the four wealthiest people in a particular country are 42, 34, 17, 13. Assume that samples of size n=2 are randomly selected with...

1. Find the sample size needed to estimate the percentage of republicans among registered voters in California. Use a 0.03 margin of error; use a confidence level of 90%.

I'm having a little trouble with this

There are 500 marketers promoting 9 different products to 60 Million customers. They all have equal capability to reach 6,000 of the customers daily and start promoting on the exact same day. What...

A traffic light near a museum is green for 30 seconds, yellow for 5 seconds, and red for 15 seconds. If 8 vehicles approach the signal, the probability that 3 of them are stopped by the red...

I have discovered for a data point (a, b) and a function f(x), when (b-f(x))/(f(x)) = 0, then the given coordinate (a, b) is touching exactly on the function's graph. If that 0 where changed...

Five people buy individual insurance policies. According to the research, the probability of each of these people not filing a claim for at least 5 years is 0.66. The probability...

Given the following information about a sample, calculate a z score for a test grade of 91. = 87, s = 4.01

How many combinations are possible?

A certain virus infects one in every 200 people. A test used to detect the virus in a person is positive 90% of the time if the person has the virus and 10% of the time if the person does not have...

betting on the color red in the game of roulette has 18/38 chance of winning. what is the expected value and variance for the number of wins in a series of 50 bets on red?

Amaan M.

Math/Economics Teacher

New York, NY

5.0
(68 ratings)

John P.

Math, Science, Technology, and Test Prep Tutor

Fort Lee, NJ

5.0
(681 ratings)

Christopher A.

Tutor Expert in ACT, SAT, Math, Writing, Excel, Study Skills and More

Far Rockaway, NY

5.0
(601 ratings)