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xxTIMURxx [149]
3 years ago
5

A customer's monthly trash collection bill was $24.74. Due to a rate increase, her monthly bill is now $26.86. To the nearest te

nth of a percent, by what percent did the amount of the customer's bill increase​
Mathematics
1 answer:
Galina-37 [17]3 years ago
7 0

Answer:

8.57%

Step-by-step explanation:

Find increase:

26.86 - 24.74 = 2.12.

Find percentage:

\frac{2.12}{24.74} = 0.08569118835 = 8.57%

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A new experimental strain of pepper plants was being studied to estimate how much fruit one plant would produce in a typical gro
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Answer:

58.9% produced produced peppers weighing between 13 and 16 pounds.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 15

Standard Deviation, σ = 1.75

We are given that the distribution of weight of peppers is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(peppers weighing between 13 and 16 pounds)

P(13 \leq x \leq 16) = P(\displaystyle\frac{13 - 15}{1.75} \leq z \leq \displaystyle\frac{16-15}{1.75}) = P(-1.142\leq z \leq 0.571)\\\\= P(z \leq 0.571) - P(z < -1.142)\\= 0.716 - 0.127 = 0.589 = 58.9\%

P(13 \leq x \leq 16) = 58.9\%

58.9% produced produced peppers weighing between 13 and 16 pounds.

7 0
3 years ago
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31°

Step-by-step explanation:

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3 years ago
addison was given a gift card for a coffee shop. each morning, addison sues the card to buy one cup of coffee. each cup costs $3
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