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viva [34]
2 years ago
15

Question Five

Mathematics
1 answer:
Olegator [25]2 years ago
8 0
A) |depth| = |156| - |-458|
b) 302m
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The loaves of rye bread distributed to a local store by a certain bakery have an average length of 30 centimeters and a standard
cupoosta [38]

Answer:

79.91% of loaves are between 26.94 and 32.18 centimeters

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question, we have that:

\mu = 30, \sigma = 2

What percentage of loaves are between 26.94 and 32.18 centimeters

This is the pvalue of Z when X = 32.18 subtracted by the pvalue of Z when X = 26.94.

X = 32.18:

Z = \frac{X - \mu}{\sigma}

Z = \frac{32.18 - 30}{2}

Z = 1.09

Z = 1.09 has a pvalue of 0.8621

X = 26.94:

Z = \frac{X - \mu}{\sigma}

Z = \frac{26.94 - 30}{2}

Z = -1.53

Z = -1.53 has a pvalue of 0.0630

0.8621 - 0.0630 = 0.7991

79.91% of loaves are between 26.94 and 32.18 centimeters

5 0
3 years ago
Cycle city charges an initial price of $15 +77 $.75 per hour for bike rentals which is represented by the expression 15+0.75 H
abruzzese [7]
I think the answer maybe
Will be 3

3 0
2 years ago
Simplify this problem:<br> 32‾‾‾√
Vesnalui [34]

Answer:

4\sqrt{2}

Step-by-step explanation:

If you are asking for:

\sqrt{32}

You can pull out 16 from the equation and you can get:

4\sqrt{2}

7 0
3 years ago
Ques
Olin [163]

Answer:

the mode is 20

it has the highest frequency

4 0
2 years ago
Factor the following the expression,<br> -15m -25
never [62]

Answer:

-5(3m+5)

Step-by-step explanation:

Factor by grouping:

'-5' is a common factor.

Factoring out '-5'....

-15m-25\\\\\boxed{-5(3m+5)}

Hope this helps.

4 0
2 years ago
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