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dusya [7]
3 years ago
12

HELP PLEASE! 50 POINTS, WILL MARK BRAINLIEST WHOEVER IS FIRST!

Mathematics
1 answer:
Temka [501]3 years ago
4 0

95

Step-by-step explanation:

she would have to get At Least 95 or better to balance it out

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Jacquie used an app to simulate a coin flip 40 times. The app shows that the coin lands on heads 22 times.
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2 years ago
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The brain volumes ?( cm cubed cm3?) of 20 brains have a mean of 1083.9 1083.9 cm cubed cm3 and a standard deviation of 122.2 122
Colt1911 [192]

Answer:

Range: (844.9,1333.7)

A brain volume of 1348.3 cm cubed can be considered significantly high.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 1083.9 cm cubed

Standard Deviation, σ = 122.2 cm cubed

Range rule thumb:

  • This rule state that the the range of data is four times the standard deviation of the data.

\text{Range} = 4\times \sigma = 4\times 122.2 = 488.8

Upper Limit:

\mu + 2\sigma = 1089.3 + 2(122.2) = 1333.7

Lower limit:

\mu - 2\sigma = 1089.3 - 2(122.2) = 844.9

Since, 1348.3 does not lie in the range (844.9,1333.7),  a brain volume of 1348.3 cm cubed can be considered significantly high.

6 0
3 years ago
⦁ The family likes peaches and other fruits. The local farmer’s market is selling fresh peaches at a discounted price. If the fa
sasho [114]

Answer:

98

The answer is 98 because since the farmer's market sold 35% of its produce and has 280 peaches remaining you have to turn 35% into a decimal which is 0.35 then multiply that times 280 and get 98.

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2 years ago
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