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Answer:
The probability of randomly selecting someone who does not believe that statistics teachers know the true meaning of life is 0.426.
Step-by-step explanation:
Let <em>X</em> = number of Americans who believe that statistics teachers know the true meaning of life.
The probability of the random variable <em>X</em> is,
P (X) = 0.574
The event of a person not believing that statistics teachers know the true meaning of life is the complement of the event <em>X</em>.
The probability of the complement of an event, <em>E</em> is the probability of that event not happening.
Compute the value of as follows:
Thus, the probability of randomly selecting someone who does not believe that statistics teachers know the true meaning of life is 0.426.
Answer:
399.420
Step-by-step explanation:
1) Use the algorithm method.
4 7 . 5 5
× 8 . 4
1 3 2 2
1 9 . 0 2 0
3 6 4 4
3 8 0 . 4 0 0
3 9 9 . 4 2 0
2) Therefore, .
399.420
Answer:
The solution is .
Step-by-step explanation:
The best way to solve this exponential equation is applying the logarithm of base 10 to each side of the equality.
It is also important to remember the following logarithm proprierty:
So
The solution is .