Select the postulate that is illustrated for the real numbers.
2 answers:
Answer:
The commutative Multiplication Postulate
Step-by-step explanation:
The commutative property of multiplication states:
Let x and y be two numbers. Then, according to this property of multiplication,
That is x multiplied by y is equal to y multiplied by x.
Now, we were given:
This clearly means that 12 multiplied 6 is equal to 6 multiplied 12 times.
Hence, the real numbers out of all the given postulates and properties, they illustrates the commutative property of multiplication.
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Answer:
There is a 99.99998% probability that at least one valve opens.
Step-by-step explanation:
For each valve there are only two possible outcomes. Either it opens on demand, or it does not. This means that we use the binomial probability distribution to solve this problem.
Binomial probability distribution
The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.
In which is the number of different combinatios of x objects from a set of n elements, given by the following formula.
And p is the probability of X happening.
In this problem we have that:
Calculate P(at least one valve opens).
This is
Either no valves open, or at least one does. The sum of the probabilities of these events is decimal 1. So:
So
Finally
There is a 99.99998% probability that at least one valve opens.