We know, 1 yard=3 feet.
1 feet =12 inches.
Therefore, 1 yard in inches is,
Hence, 3 yards in inches is.,
Therefore, 3 yards is greater than 107 inches.
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2 answers:
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Answer:
The probability that the first subject to be a universal blood donor is the seventh person selected is 0.0511
Step-by-step explanation:
Let's start defining the random variable X.
X : ''The first success is on the xth trial''
X can be modeled as a geometric random variable with the following probability function :
Where is the probability of the random variable X to assumes the value ''x''.
The variable p is the success probability.
For this exercise, we define a success as someone randomly selected is a universal donor and that probability is
We are looking for :
The probability function is :