2 years ago

How to Change the water faucet knobs

Mathematics

2 answers:

balandron [24]2 years ago

7 0

<em />Is it for your kitchen sink or bathroom sink?

ki77a [65]2 years ago

7 0

Take the pipes and connect the pipes to another water plant

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The scale of scores for an IQ test are approximately normal with mean 100 and standard deviation 15. The organization MENSA, whi

Zina [86]

Answer:

B) 47.5%

Step-by-step explanation:

Refer to the normal distribution chart attached. If 130 is 2 standard deviations higher than the mean (ignore the numbers beneath the percentages), then by the empirical rule, this means that 34%+13.5%=47.5% of adults are between IQs of 100 and 130. Therefore, option B is correct.