Why do some large commercial airlines fly in the stratosphere?
1 answer:
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The answer is 65/126.
To calculate this, a multiplication rule is used. The multiplication rule calculates the probability that both of two events will occur. So, in a bag, there are 36 cards in total. The probability to draw card with a letter is 26 out of 36 or
. After the first draw, there are now 35 cards in the bag. The probability to draw card with a letter now is 25 (since one letter is already out) out of 35 or <span>
.
</span>Since we need for both events to occur, using the multiplication rule, we can calculate <span>the probability that Amy draws two letters:
</span> × <span> = </span>
= 
To calculate this, a multiplication rule is used. The multiplication rule calculates the probability that both of two events will occur. So, in a bag, there are 36 cards in total. The probability to draw card with a letter is 26 out of 36 or
</span>Since we need for both events to occur, using the multiplication rule, we can calculate <span>the probability that Amy draws two letters:
</span>