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What is the median 2 27 38 55 49 9 53 34?
2, 9, 27, 34, 38, 49, 53, 55 the median is 36
How do you find the mean median and mode?
To find the mean you add all the numbers together then divide by how many there are. Ex. 5+10+6+6+5+12+5=49 49/7=7 Mean=7 To find the median you put the numbers from least to greatest the find the number in the middle. (note: if there are two numbers in the middle add hem and divide by two.) Ex. 5,5,5,6,6,10,12 Median:6 To find the mode you look for the number that appears the most. (note: There can be more than one mode or there can be no mode) Ex. 5,5,5,6,6,10,12 Mode:5
What is the probability of prime numbers being chosen randomly from the number 1-49?
15/49ExplanationThere are 15 prime numbers between 1 and 49 (2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47). If you randomly choose one natural number from the 49 numbers between 1 and 49 inclusive, there is a 15/49 probability that it will be prime.
If 5 cards are drawn from a deck of cards without replacement What is the Probability that at least One of the cards is a heart?
P( at least one card is a heart) = 1 - P( 0 hearts) P(0 hearts) = (39/52)(38/51)(37/50)(36/49)(35/48) P( at least 1 heart) = 1- (39/52)(38/51)(37/50)(36/49)(35/48) =0.778466
If 4 cards are drawn from a deck of cards without replacement What is the probability that at least one of the cards is a heart?
It is 1 - prob(none of the four is a heart) = 1 - (39/52)*(38/51)*(37/50)*(36/49) = 1 - 1974024/6497400 = 0.6962
