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Probablilty

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statistics
using excel to simulate probablilty, what uncertainties about the results would exist?

statistics
twenty light bulbs are tested three light bulbs fail the test. two light bulbs are selected at random without replacement from this collection of bulbs find the probablilty that both light bulbs failed the test. round the answer 3 decimals places

math
the roller coaster has two seats in each of 12 rows. Riders are assigned to seats in the order they arrive. if you ride this roller coaster once, what is the probablilty of getting coveted first row? How many times must you ride in order to have atleast a 95% chance of getting...

math
Ted is hosting a dinner party. He has a the choice of serving chicken, pasta, or hamburgers for the main course;carrots, lettuce salad, or pineapple for the side dish; and ice cream or cookies for dessert. How many combinations of one main course, one side dish, and one ...

math
Ted is hosting a dinner party. He has a the choice of serving chicken, pasta, or hamburgers for the main course;carrots, lettuce salad, or pineapple for the side dish; and ice cream or cookies for dessert. How many combinations of one main course, one side dish, and one ...

Mathematics
The blood types B- and AB- are the rarest of the eight huan blood types representing 1.5% and .6% respectively. a) If the blood types of a random sample of 1000 blood donors are recorded, what is the probability that 10 or more will be AB-? b) If the blood types of a random ...

Probablilty
2 questions Roll a fair 6 sided die 3 itmes. What is the probablity that you obtain at least one 5? Use the binomial. A 28 yr old man pays $208 for a 1 year life insurance policy with coverage of $110,000. If the probability that he will live through the year is .9993, what is...

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