A man travels 4 ⅓ miles in 2 ½ hours. what is his speed in miles per hour?

Mathematics

1 answer:

natulia [17]3 years ago

3 0

Approximately 1.7 miles per hour

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A drawer contains 4 orange colored pencils and

sergij07 [2.7K]

Answer:

4/9 or four out of nine

Step-by-step explanation:

There are nine pencils total, and 4 of them are orange

6 0

2 years ago

The lengths of a particular snake are approximately normally distributed with a given mean mu = 15 in. and standard deviation si

Helga [31]

The percentage of the snakes is longer than 16.6 in. with a mean of 15 in. and a standard deviation of 0.8 in. is 2.275%.

<h3>What is a normal distribution?</h3>

It is also called the Gaussian Distribution. It is the most important continuous probability distribution. The curve looks like a bell, so it is also called a bell curve.

The z-score is a numerical measurement used in statistics of the value's relationship to the mean of a group of values, measured in terms of standards from the mean.

The lengths of a particular snake are approximately normally distributed with a given mean = 15 in. and standard deviation = 0.8 in.

Then the percentage of the snakes is longer than 16.6 in. will be

$z = \dfrac{ x - \mu }{ \sigma }\\\\z = \dfrac{16.6-15}{0.8}\\\\z = 2$