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Given eight students four of which are females if two students are selected at random without replacement what is the probability that both students are female?
The probability of selecting 1 female at random is 4/8 There are now 7 students, 3 of which are female so the probability of selecting another female is 3/7 The probability two randomly selected students are female is (4/8)x(3/7)= 3/14
A marble is selected from a random jar containing 3 red marbles 4 yellow marbles and 2 marbles what are the odds in favor of selecting a red marble?
The probability of selecting a red marble is 3/9
Identify the following probability as theoretical or empirical The probability of selecting a consonant at random from the letters of the alphabet is?
Theoretical
What is the probability that two people selected at random have the same birthday?
1/365 = 0.00274
Sample selected in such a way that each member of the population has an equal probability of being included?
random sample
Given eight students four of which are females if two students are selected at random without replacement what is the probability that both students are female?
The probability of selecting 1 female at random is 4/8 There are now 7 students, 3 of which are female so the probability of selecting another female is 3/7 The probability two randomly selected students are female is (4/8)x(3/7)= 3/14
What is the probability of selecting a value at random and discovering that it has a value of 395 pounds?
The probability is 0.
A marble is selected from a random jar containing 3 red marbles 4 yellow marbles and 2 marbles what are the odds in favor of selecting a red marble?
The probability of selecting a red marble is 3/9
What is the random sampling method?
Random sampling is a method of selecting a sample where each member of the population has the same probability of being included in the sample. An equivalent statement is that each subset of the population, of the given size, has the same probability of being selected as any other subset of that size.
Identify the following probability as theoretical or empirical The probability of selecting a consonant at random from the letters of the alphabet is?
Theoretical
Identify the following probability as theoretical or empirical. The probability of selecting a consonant at random from the letters of the alphabet is .?
Theoretical
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.
If a bag contains 20 chips labeled with the numbers 1 through 20 and one chip is selected at random. what is the probability that the chip has the number 17 on it?
The probability of selecting a 17 (or any number for that matter) is 1/20 or .05 or 5%.
What is the probability that two people selected at random have the same birthday?
1/365 = 0.00274
What is the probability the random variable will assume a value between 40 and 60?
It depends on what the random variable is, what its domain is, what its probability distribution function is. The probability that a randomly selected random variable has a value between 40 and 60 is probably quite close to zero.
What is probability that a leap years selected at random will contain 53 Sundays?
probability = 2/7 to be exact, 28/97 (about 28.87%)
What are the odds of selecting a four of diamonds out of a deck of fiffty-two card?
The answer depends on the number of draws, whether or not hey are random, whether or not cards are returned to the deck before the next draw.If only one card that is drawn at random, the probability is 1/52.
