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nikklg [1K]
3 years ago
8

Joana spins the spinner 10 times. She spins green 4 times. What is the experimental probability that Ana will spin green on the

next spin
Mathematics
1 answer:
Shalnov [3]3 years ago
8 0

Answer:

40% or 2/5

Step-by-step explanation:

Experimental probability is the probability based off of experimental data.  

Out of the 10 times Joanna span the spinner, 4 times were green.  This means that the probability of green is 4/10 or 40%.

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Suppose that y varies inversely with x. Use the information to find k, and then choose the equation of variation. x = 2 when y =
Sergeeva-Olga [200]

Answer:

y = \frac{22}{x}

Step-by-step explanation:

given that y varies inversely with x then the equation relating them is

y = \frac{k}{x} ← k is the constant of variation

To find k use the condition x = 2 when y = 11

k = yx = 11 × 2 = 22

y = \frac{22}{x} ← equation of variation

4 0
3 years ago
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Carissa and Louann both have savings accounts. Carissa has $250 in her account and deposits $80 per month. Louann has $1230 in h
zlopas [31]
Carissa value after x months=current+amount deposited
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8 0
3 years ago
In one region, the september energy consumption levels for single-family homes are found to be normally distributed with a mean
tatyana61 [14]
The probability would be 0.1971.

We will calculate a z-score for each end of this interval.

z = (X-μ)/σ

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For the upper limit:
z = (1225-1050)/218 = 175/218 = 0.80

Using a z-table (http://www.z-table.com) we see that the area under the curve to the left of, less than, the lower limit is 0.5910.  The area under the curve to the left of, less than, the upper limit is 0.7881.  To find the area between them, we subtract:

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3 years ago
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5

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2 years ago
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Y = x - 1
romanna [79]

Answer: The correct answer is the third option, (-3,-4).

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(-3, -4)

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2 years ago
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