Heidi looked at this graph and thought, “The first point I see is at 2 tsp of nutmeg and 3 tsp of cinnamon. The unit rate is 3 t
sp of cinnamon for every 2 tsp of nutmeg.”
Is Heidi correct?
No. The unit rate should be 2 teaspoons of cinnamon to 3 teaspoons of nutmeg.
No. The unit rate should be 1.5 teaspoons of nutmeg to 1 teaspoon of cinnamon.
No. The unit rate should be 1.5 teaspoons of cinnamon to 1 teaspoon of nutmeg.
Yes. Heidi is correct.
Is Heidi correct?
No. The unit rate should be 2 teaspoons of cinnamon to 3 teaspoons of nutmeg.
No. The unit rate should be 1.5 teaspoons of nutmeg to 1 teaspoon of cinnamon.
No. The unit rate should be 1.5 teaspoons of cinnamon to 1 teaspoon of nutmeg.
Yes. Heidi is correct.
2 answers:
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Answer: Hello!
Ok, because the bulbs are wired in series, then if only one fails, all the string fails.
Then we need to see the probability for the 20 bulbs to not fail.
If the probability for each bulb to fail is 0.02, then the complement (or the probability of working fine) is 1 - 0.02 = 0.98
then we have 20 bulbs, and each one has a probability of 0.98 of working alright, then the probability for all them to work alright is the multiplication of this probabilities, this is
= 0.6676
rounded up in the decimal, we have 0.668
then the correct answer is c.