Theoretical Probability - Guided Practice#1 - All of the letters in the word Mississippi are written on separate pieces of paper
1 answer:
The probability = outcome/total outcomes
The total of the outcomes is the total number of the letters of the given word, then
The total outcomes = 11
The outcome is the number of letter "s" in the word
The outcome = 4, then
The probability of "s" is
To change it to percent multiply it by 100% and round it to the nearest 1 decimal place
The answer is 36.4%
Answer C
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Answer:
a.) the probability that both the ball drawn are black =
b.) Sum of all the probabilities =
Step-by-step explanation:
a) two balls are drawn at random .
total number of balls = 10
number of black balls = 5
number of white balls = 5.
the number of ways two balls can be drawn =
the number of ways two black balls can be drawn =
the probability that both the ball drawn are black =
b) probability that First draw of two black balls =
probability that first draw is of two white balls is and second draw is of
two black balls =
Probability that first two draws are of white balls and the third draw is of
two black balls =
This is a geometric sequence and the final probability will be the sum of
all such probabilities, where we can take the the sequence to be an infinite series and the first term is and the common ratio is
which is less than 1.
Sum of all the probabilities =