3 years ago

PLZ HELP NEED TWO ANSWERS

Mathematics

1 answer:

densk [106]3 years ago

6 0

Answer:

50 from home to school and 55 from school to home.

Step-by-step explanation:

55 is 5 more then 50.

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Answer:

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Step-by-step explanation:

According to the situation, the solution and the data provided is as follows

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Based on the above information, the probability is

$Z=\frac{X-\mu }{\sigma } \\\\Z=\frac{12.75-12.45 }{0.30 } \\\\\Z=\frac{0.30 }{0.30 } \\\\Z= 1 \\\\P(X> 12.75)=1-P(X< 12.75) \\\\\P(X> 12.75)=1-P(Z< 1) \\\\$

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