Given that 1 pound equals 16 ounces, how many pounds are in 152 ounces?

2 answers:

7 0

16 ounces = 1 pound
>> 1 ounce = (1/16) pound
>> 152 ounce = (1/16)x152 pound
>> 152 ounce = 9.5 pound

So the final answer is 9.5 pound

Pie2 years ago

7 0

First make a comparison
pound : ounce = 1 : 16
pound : ounce = x : 152

The ratio
x : 152 = 1 : 16
x/152 = 1/16

Second, find x with the help of the ratio
x/152 = 1/16
move 152 to the right side, it become multiplication
x = 1/16 × 152
x = 152/16
x = 9.5

Hence, 152 ounces is 9.5 pounds

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Human body temperatures have a mean of 98.20° F and a standard deviation of 0.62° F. Sally's temperature can be described by z =

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Answer:

Sally's temperature is 97.27 °F.

Step-by-step explanation:

All the information given in the question tells us that the human body temperatures are normally distributed with a population's mean = 98.20°F and a standard deviation = 0.62°F.

The question gives us Sally's temperature in a z-score. We have to remember that the standard normal distribution is a particular case of a normal distribution where the mean = 0 and the standard deviation = 1.

Using the standard normal distribution, we can determine every probability associated with a normal distribution "transforming" the raw scores, coming from normally distributed data, into z-scores.

A z-score gives us the distance from the population's mean and is in standard deviation units. So, a z = 1.5 tells us that the value is 1.5 standard deviations above the mean. Conversely, a z = -1.5 tells us that the raw score is also 1.5 standard deviation from the mean, but in the opposite direction, that is, below the mean.

The formula for a z-score is as follows:

$\\ z = \frac{x - \mu}{\sigma}$ (1)