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What is the probability the asteroid 99942 Apophis will strike earth?
The answer to this can be found in the links I will place below.
Look at the parallelogram below 1 and 3 are each 35 degrees What is the measurement of 2?
Look at the parallelogram below. <1 and <3 are each 35 degrees. What is the measurement of <2?
What is the difference between a probability mass function and a probability density function?
The probability mass function is used to characterize the distribution of discrete random variables, while the probability density function is used to characterize the distribution of absolutely continuous random variables. You might want to read more about this at www.statlect.com/prbdst1.htm (see the link below or on the right)
What is the probability of a 28-year-old female bearing a baby with Down syndrome?
If you look at the link below, the probability of a 28 year old female having a baby with Down syndrome is a little less than 1 in 1000.
Toss a coin 3 times and what is the probability of getting at least two heads?
There are 23 or 8 possible outcomes listed below (H=Head, T=Tails). HHH HHT HTH HTT THH THT TTH TTT each has a 1/8 probability. Count the number that has at least 2 heads and it is 3. So, the probability is 3/8.
