Answer:
Just to start you off the first answer is 66.67
Step-by-step explanation:
You divide the first number by the second number so in this case 800/12=66.67
Step-by-step explanation:
8⁴.... I hope it's correct
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Answer:
And we can find this probability with this difference:
Step-by-step explanation:
Let X the random variable that represent the weights of a population, and for this case we know the distribution for X is given by:
Where
and
We want to find the following probability:
And we can use the z score formula given by:
And using this formula we got:
And we can find this probability with this difference:
Answer:
2 hours 32 minutes
Step-by-step explanation:
Subtract.
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2 subtracted from x is less than 20
x - 2 < 20 is your answer
hope this helps