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What is the probability that 20 substandard welds will be found out of 300 randomly selected samples knowing that 5 percent will be substandard?
Using the Poisson approximation, the probability is 0.0418
Twenty percent of students smoke what is the probability that a random group of seven is selected and four of them smoke?
Approx 0.0287
How do you find the percent of probability?
You multiply the probability by 100.
What us the probability that 4 out of 8 dolphins are cured when treated with an antibiotic that cures 98 percent of all dolphins?
pr(exactly 4 out of 8 cured) = ₈C₄ × (98/100)⁴ × (1 - 98/100)⁴ = 103305233920/10000000000000000 ≈ 0.00001
What is the probability of an event not occurring if the probability of an event occurring is 20 percent?
80%
What is the probability for a student in a dormitory to be selected if 10 percent of the students live in dormitories and a random sample of 100 is selected?
The probability is 10 percent.
What would be the probability type A and type B when randomly selected when A is 29 percent AB is 25 percent O is 7 percent B is 39 percent?
Only one selected 68%
Approximately 10 percent of people are left-handed If two people are selected at random what is the probability that both are right handed?
The probability is approx 0.81
What is the probability that 20 substandard welds will be found out of 300 randomly selected samples knowing that 5 percent will be substandard?
Using the Poisson approximation, the probability is 0.0418
Twenty percent of students smoke what is the probability that a random group of seven is selected and four of them smoke?
Approx 0.0287
Find the probability of three products randomly selected are acceptable from a production where 70 percent where acceptable?
It is 0.73 = 0.343
About 9 percent of the population is hopelessly romantic If two people are randomly selected what is the probability both are hopelessly romantic?
The probability that both will be hopelessly romantic is .0081 .009^2 = .0081
What is the probability that Gary makes exactly 3 sales out of 4 calls with a 70 percent calling rate?
0.6382
What is the probability of 33.3 percent?
The probability of 33.3 percent is 0.333.
What is a probability of 75 percent?
probability of 75 percent = 3/4
What is the probability that a 70 percent free throw shooter would make 1 of 2 shots?
The probability the shooter makes both shots is .7 * .7 = .49, and the probability of making neither is .3 * .3 = .09. So the probability of making exactly 1 out of 2 is 1 - .49 - .9 = .42, or 42 percent.
How do you find the percent of probability?
You multiply the probability by 100.
