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ioda
3 years ago
15

Please help!!!! again

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
7 0
\frac{y\ miles}{x\ minutes}=\frac{4\ miles}{28\ minutes}\ \ |cross\ multiply\\\\28y=4x\ \ \ \ |divide\ both\ sides\ by\ 28\\\\\boxed{y=\frac{4}{28}x\Rightarrow y=\frac{1}{7}x}
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Answer: the probability that the tires will fail within three years of the date of purchase is 0.12

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The average lifetime of a set of tires is 3.4 years. It means that μ = 3.4

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3 years ago
The local supermarket buys lettuce each day to ensure really fresh produce. Each morning any lettuce that is left from the previ
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Given Information:

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How to use z-table?

Step 1:

In the z-table, find the probability you are looking for and note down the two-digit number of the given row. (e.g 0.5, 2.2, 0.5 etc.)

Step 2:

Then look up at the top of z-table and note down the value in the column for the remaining decimal point in the range of 0.00 to 0.09.

Step 3:

Finally, add the numbers obtained from step 1 and step 2.

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3 years ago
Find the percent increase in the price per cheese stick.
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