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Sindrei [870]
3 years ago
13

In a normal distribution, 95% of the data fall within how many standard

Mathematics
2 answers:
Vitek1552 [10]3 years ago
7 0

Answer: two standard deviations

Step-by-step explanation:

A P E X

Alexxandr [17]3 years ago
7 0

Answer:

O A. Two standard deviations

Step-by-step explanation:

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H(t)=4t+20, h( )=4 please help me
____ [38]
What t value will yield 4?

H(t) = 4t + 20

How about -4?

H(-4) = 4(-4) + 20

H(-4) = -16 + 20

H(-4) = 4

Yes, t = -4

Done.
5 0
3 years ago
Read 2 more answers
A farmer has a house at the point (0, 0). He has a corn field that can be found by driving 1 unit up, 2 units right, 3 units dow
Gennadij [26K]

Answer:

73.97

Step-by-step explanation:

8 0
2 years ago
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The probability that a traffic light will be green is 40%. If you pass through 3 lights on your way to the store, what is the pr
larisa [96]

Answer:

0.216

Step-by-step explanation:

If the probability of green, P(green) is 40%, the probability of red, P(red) is 60%.

The probability of a light being red is not affected by the colour of the previous light, so at each of the 3 lights, the probability of red is always 60%.

To find the probability that all three lights will be red, multiply the three probabilities together. (Convert them to decimals first).

0.6 x 0.6 x 0.6 = 0.216

7 0
3 years ago
the length of a rectangle is 5 ft more than the width. The. Is 22 ft. Find the width of a rectangle.​
musickatia [10]

Answer:

To the tenth = 2.8

Step-by-step explanation:

x*(x+5) = 22

2.8 * (2.8 + 5) = about 22

5 0
3 years ago
What is 5r^2 = 80<br><br> It says solve each equation with the quadratic formula.
katovenus [111]
5r^2 = 80 \ \ /:5\\ \\r^2=\frac{80}{5}\\ \\r^2=16\\ \\r^2-16=0\\ \\ r^2 - 4^2 =0 \\ \\(r-4)(r+4)=0

r-4=0 \ \ \vee \ \ r+4 =0 \\ \\r=4 \ \ \vee \ \ r = -4 \\ \\ \\ a^2-b^2 = (a- b)(a+b)


5 0
3 years ago
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