A student takes an exam containing 18 true or false questions. If the student guesses, what is the probability that he will get
exactly 6 questions right? Round your answer to four decimal places.
1 answer:
Use this formula.
and solution is:［（18！）/（6！×（18-6）！）］×（1/2）^6×（1-1/2）^（18-6）≈0.0781604
7.8%
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You could also just do 1,170 divided by 0.1 to come up with your answer of 117 grams of uncooked chicken.
Answer:
1
Step-by-step explanation:
just substitute -2 for x
5/6x=-2+4
5/6x=2
5/6x×6/5=2×6/5
X=2.4
This question asks what is half of 45.
45 divided by two equals 22.5
The car will travel 22.5 miles in .5 hours.
Answer: x < - 8.5
Step-by-step explanation:
-46 - 8X > 22
+46. +46
-8x > 68
x < - 8.5
