3 years ago

Need some help...........

Mathematics

1 answer:

Anarel [89]3 years ago

7 0

Answer:

The answer is to the question is 13

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3 years ago

Read 2 more answers

The overhead reach distances of adult females are normally distributed with a mean of 200 cm and a standard deviation of 8.9 cm.

Advocard [28]

Answer:

0.148 or 14.80%

Step-by-step explanation:

Mean overhead reach (μ) = 200 cm

Standard deviation (σ) = 8.9 cm

The z-score for any reach, X, is given by:

$z=\frac{X-\mu}{\sigma}$

For a X = 209.30 cm:

$z=\frac{209.3-200}{8.9}\\ z=1.045$

A z-score of 1.045 corresponds to the 85.20th percentile.

Therefore, the probability that an individual distance is greater than 209.30 cm is:

$P = 1-0.8520\\P=0.148=14.80\%$

The probability is 0.148 or 14.80%

4 0

3 years ago

Need some help...........​

Need some help...........