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What is the probability that your birthday this year will not fall on a day of the week that begins with the letter T?
It is 1, since it falls on a Wednesday.
What is the probability of at least one birthday match among a group of 41 people?
The probability of at least 1 match is equivalent to 1 minus the probability of there being no matches. The first person's birthday can fall on any day without a match, so the probability of no matches in a group of 1 is 365/365 = 1. The second person's birthday must also fall on a free day, the probability of which is 364/365 The probability of the third person also falling on a free day is 363/365, which we must multiply by the probability of the second person's birthday being free as this must also happen. So for a group of 3 the probability of no clashes is (363*364)/(365*365). Continuing this way, the probability of no matches in a group of 41 is (365*364*363*...326*325)/36541 This can also be written 365!/(324!*36541) Which comes to 0.09685... Therefore the probability of at least one match is 1 - 0.09685 = 0.9032 So the probability of at least one match is roughly 90%
What is the probability that the birthdays of five persons chosen at random will fall in twelve different calendar months?
The probability that the birthdays of five persons chosen at random will fall in twelve different calender months is zero. You would need at least twelve persons to have a non zero probability.
Why there is probability of getting hurt when you fall from certain height?
If you fall from any given height, whether or not you get hurt will depend on a large number of factors: what you fall on, how you fall, whether or not there was something that broke your fall on the way down and so forth.
What does the normal probability density function describe?
A probability density function (pdf) for a continuous random variable (RV), is a function that describes the probability that the RV random variable will fall within a range of values. The probability of the RV falling between two values is the integral of the relevant PDF. The normal or Gaussian distribution is one of the most common distributions in probability theory. Whatever the underlying distribution of a RV, the average of a set of independent observations for that RV will by approximately Gaussian.
What is the probability pie day will fall on a Saturday or Sunday?
Approx 2/7.
What is probability that your birthday will fall on Saturday in any given year?
1/7
What is probability that your birthday will fall on Sunday this year?
one in seven7 days a week
How often does your birthday fall on the same day of the week as when you were born?
The way to look at this probability is that it is equally likely for your birthday to fall on any given day of the week. There is a 1/7 chance it will land on Saturday. There is a 1/7 chance it will land on Sunday, and so on for all the other days. Taking this into account, it is clear that there is a 1/7 chance of your birthday falling on whatever day you were born.
A girl was born on September 6 1970 .which happened to be a Sunday Her birthday has again fall on Sunday in?
September 6 fell on a Saturday in the years 1970, 1981, 1987, 1992, 1998 and 2009. September 6 will next fall on a Sunday in 2015.
What is the probability that march fourteenth will fall on a weekend?
March 14th falls on either a Saturday or a Sunday exactly 28.5% of the time (114 times every 400 years).
Is August 11 on a Saturday or Sunday?
August 11th, 2012 will fall on a Saturday.
Did September 29 2002 fall on a Saturday?
No. It was a Sunday.
When do holidays fall on a weekend"?
Holidays fall on a weekend when the specific date of the holiday coincides with a Saturday or Sunday.
Birthday of February 15 1997 what day it will fall?
Saturday
What is the probability that your birthday next year will fall on a week day?
74 %
Has Christmas ever been on a Sunday?
Yes, it fell on Sunday in 2011, and because of the leap year in 2016, Christmas will skip Saturday and fall on Sunday!
