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Evgen [1.6K]
3 years ago
7

2.

Mathematics
2 answers:
ivann1987 [24]3 years ago
7 0

Answer: A

Step-by-step explanation:

LUCKY_DIMON [66]3 years ago
5 0

Answer:

A. -45

Step-by-step explanation:

Since it says the dolphin dove 45 feet below sea level, it would mean that the integer is negative.

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2 SD away from mean is 95% of data.
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1 SD away:
190+30=220

2 SD away: 
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This shows we are on the outer 5 percent of the normal distribution.
Since you said "more", that means we only look at the right side of your 5%, which is only 2.5%

answer is D, 2.5%
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ok

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More can be learned about percentages at brainly.com/question/10491646

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