Answer: 30% of 500 is 150.
Answer:
Step-by-step explanation:
Let and be independent random variables representing the lifetime (in 100 hours) of Type A and Type B light bulbs, respectively. Both variables have exponential distributions, and the mean of X is 2 and the mean of Y is 3.
The sample space is all the possible outcomes from a trial/trials;
In this case, it is all the possible coins that you can pick from;
If you are picking multiple coins, how many of each and in what order you pick them also contribute to the sample space, i.e. they produce other possible outcomes:
<span>7 quarters, 2 dimes, 5 nickels or 11 pennies.
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