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Vsevolod [243]
3 years ago
9

The manager of a grocery store has taken a random sample of 100 customers. The average length of time it took the customers in t

he sample to check out was 3.1 minutes with a standard deviation of 0.5 minutes. We want to test to determine whether or not the mean waiting time of all customers is significantly more than 3 minutes. The p-value is
Mathematics
1 answer:
masha68 [24]3 years ago
8 0
The answer is: 0.0228
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Ted and Robin each gave a basket of green apples to their friend Lily. Ted’s basket contains 5 apples, each weighing 7 1/4 ounce
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Robins basket is heavier.
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3 years ago
Can someone help me solve this question? It’s similar to the previous ones! Thank you!
luda_lava [24]

Answer:

\boxed{\sf \ \ \ (-2x+-9)(1x+3)=-2x^2-15x-27 \ \ \ }

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Step-by-step explanation:

hello

(-2x+-9)(1x+3)=(-2x-9)(x+3)=-2x(x+3)-9(x+3)=-2x^2-6x-9x-27\\=-2x^2-15x-27

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3 years ago
12/18 ATB - Review question -<br> Evaluate 18x + 75 when x= 8.
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60.5 minus 15% <br> PLEASE SHOW YOUR WORK
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3 years ago
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