I need help with my whole quiz but i will just start with this one plzzzz helpp!!!I

Mathematics

2 answers:

Montano1993 [528]3 years ago

7 0

Answer:

I'm not sure but, I know the answer is out of 30 & 40 ft

Step-by-step explanation:

Each shape is 10 ft, add all the shapes up and you will get 40 ft but I'm not sure if that's the answer.

USPshnik [31]3 years ago

6 0

the answer is option B 30ft

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A study conducted by the Center for Population Economics at the University of Chicago studied the birth weights of 614 babies bo

MissTica

Answer:

The number of newborns who weighed between 1614 grams and 5182 grams was of 586.

Step-by-step explanation:

Normal Probability Distribution

Problems of normal distributions can be solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the z-score 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 p-value, we get the probability that the value of the measure is greater than X.

The mean weight was 3398 grams with a standard deviation of 892 grams.

This means that $\mu = 3398, \sigma = 892$