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baherus [9]
2 years ago
14

Help me pleaseeee with this question

Mathematics
1 answer:
kenny6666 [7]2 years ago
8 0

Answer:

B. 7

Step-by-step explanation:

Count every number less than 70 (count the leaf plot numbers if that helps).

62,62,63,64,54,56,56 = 7 drivers that travel less than 70 mph

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As per given , we have

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Test statistic for proportion:

z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}

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That is , z equals 0.60 minus 0.72 all over the square root of the quantity 0.72 times 0.28 over 80

6 0
3 years ago
9. Miguel measures 5 kg of rice. One kilogram is approximately equal to 2.2 pounds. Which
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3 years ago
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Read 2 more answers
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