Which is a term in the expression 18\3g+4

Emotions are perceived exactly the same way by all people.<br> a. True<br> b. False

iris [78.8K]

<span>The correct answer is B. False. Every individual person perceives emotions differently and reacts to them differently meaning that there is no objective way to determine their strength. That's why crying is not a measure for sadness nor is laughing a measure for happiness and both can easily be simulated, or a person can be extremely sad yet not cry at all.</span>

5 0

3 years ago

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The distribution of income tax refunds follow an approximate normal distribution with a mean of $7010 and a standard deviation o

Andrej [43]

Answer:

A refund must be above $7,139 before it is audited.

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

Approximately 68% of the measures are within 1 standard deviation of the mean.

Approximately 95% of the measures are within 2 standard deviations of the mean.

Approximately 99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 7010, standard deviation = 43.

Approximately 99.7% of the measures are within 3 standard deviations of the mean.

The empirical rule is symmetric, which means that the lowest (100-99.7)/2 = 0.15% is at least 3 standard deviations below the mean, and the upper 0.15% is at least 3 standard deviations above the mean.

Use the Empirical Rule to determine approximately above what dollar value must a refund be before it is audited.

3 standard deviations above the mean, so:

7010 + 3*43 = 7139.

A refund must be above $7,139 before it is audited.

5 0

3 years ago

Select the number line model that matches the expression 1/4 - 5/4

Yuri [45]

Answer:

The answer would be -5/4

3 0

4 years ago