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2 years ago

The following table lists the frequency distribution for 60 rolls of a die.

Mathematics

2 answers:

Drupady [299]2 years ago

7 0

Answer:

False.................

pav-90 [236]2 years ago

4 0

$\huge{\textbf{\textsf{{\color{pink}{An}}{\red{sw}}{\orange{er}} {\color{yellow}{:}}}}}$

<h2>False.</h2>

Thanks
Hope it helps

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Find the slope of the line please help

Alex777 [14]

Answer:

m = -1/3

Step-by-step explanation:

There are two ways that you can use to get this answer.

The first way is to use the graph. You can see that to get from Point A to Point B, the dots go over 1 and down 3. For the fraction, you put the amount that you go to the side (1) over the amount you go down (3) to get 1/3. Since the points go down gradually, the slope is negative, so 1/3 becomes -1/3.

The second way is to take the two points, (1, 4) and (2, 1) and subtract them. First, subtract the x-coordinate from Point B from Point A to get -1. Then do the same thing with the y-coordinates to get 3. Put the -1 over 3 because x comes before y, and you have your slope.

I hope this helped :)

8 0

2 years ago

What is the height of the antenna?

ira [324]

Answer:

14 feet.

Step-by-step explanation:

Use the tangent function:

$tan\alpha = \frac{opposite}{adjacent}$

a = length of antenna:

$tan\70 = \frac{a}{15}$

$a = 15tan\70$

a = 14.09538931 ≈ 14

7 0

2 years ago

If the temperature is 7 degrees below zero and then rises 3 degrees,will the final temperature be positive or negative

sladkih [1.3K]

It would be negative cz it would add up to -4

6 0

2 years ago

Read 2 more answers

A set of city temperatures in April are normally distributed with a mean of 19.7 degrees Celsius and a standard deviation of 2 d

Sati [7]

Answer:

19.77% of average city temperatures are higher than that of Cairo

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

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

In this question, we have that:

$\mu = 19.7, \sigma = 2$