Each question has four choices, then the probability to guess a correct answer is
and the probability to select incorrect choice is
.
You have a 5-question multiple-choice test, then n=5. The <span>probability that you will guess exactly three out of five questions correctly is </span>
<span /><span>
</span><span>
</span>
.
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Answer:
There are 180 degrees in a triangle so it is 80 degrees
Un decimal que es 1/10 de 3,0 es 0,3
Answer:
$5940
Step-by-step explanation:
19 groups = 19 x 300 = $5700
4 extra tickets = 4 x 60 = $240
$5700 + $240 = $5940
Total people going = 194