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gavmur [86]
3 years ago
8

Bob's z-score for the last exam was 1.52 in Prof. Axolotl's class BIO 417, "Life Cycle of the Ornithorhynchus." Bob said, "Oh, g

ood, my score is in the top 10 percent." Assuming a normal distribution of scores, is Bob right?

Mathematics
1 answer:
poizon [28]3 years ago
3 0

Answer:

  yes

Step-by-step explanation:

The 90-th percentile of a normal distribution corresponds to a z-score of 1.282. Bob's z-score is above that, so he is definitely in the top 10%.

_____

If you haven't memorized the percentiles associated with the normal distribution, it is convenient to use a calculator or table of values.

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MAXImum [283]

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6 0
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4. A recipe for orange water says, "Mix 3 teaspoons yellow water with 1 teaspoon red water." For this recipe, we might say: "The
notsponge [240]

Answer:

2 batches of orange water = 6 tablespoon of yellow water and 2 tablespoon of red water

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Step-by-step explanation:

1 batch

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4 0
3 years ago
1680 at 12% for 6 months
vfiekz [6]

Answer:

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8 0
3 years ago
Shahad put $65 in her lunch account. She spends $3 each day on lunch. If her account goes below $5, she will get a notice sent h
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Answer:

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Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Answers:<br> A x=6<br> B x= Square Root 80<br> C x=2<br> D x= Square Root 164
uysha [10]

Answer:

x=6

Step-by-step explanation:

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x=6

3 0
2 years ago
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