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AnnyKZ [126]
3 years ago
5

Iq scores follow a normal distribution with mean 100 and standard deviation 15. give 100 random city college students a standard

iq test. how many will score between 85 and 115?
Mathematics
1 answer:
kipiarov [429]3 years ago
4 0
About 68% of the people will score between 85 and 115.

The values of 85 and 115 are exactly 15 points away, or 1 standard deviation, away from the mean.

According to the empirical rule, about 68% of the values in a normal distribution are within 1 standard deviation of the mean.
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A triangle has an area of 36 cm². The base and height are scaled by a factor of 5.
stepan [7]

Answer:

Step-by-step explanation:

0.5bh = 36

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6 0
3 years ago
A hiker carried 1 gallon of water on a hike. She drank 1/2 of the water when she stopped to rest and gave an equal amount of the
m_a_m_a [10]

Answer:

The answer to your question is 1/8

Step-by-step explanation:

Data

Total volume = 1 gallon

Water drank by the hiker = 1/2

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Process

1.- Calculate the water that he gave to his friends

Water gave to his friends = 1 - 1/2

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2.- Calculate the amount of water each friend received.

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3.- Conclusion

Each of the friends received 1/8 of the gallon.              

6 0
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Mars2501 [29]
Solve by Substitution
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5 0
2 years ago
the area of the continent North America is about 9540000 square miles right 9540000 in expanded form using exponents to show the
VashaNatasha [74]
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12 picks in all . 1 out of 4 picks are orange . the rest are green . How many picks are orange ?
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