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antoniya [11.8K]
3 years ago
9

Please help me with some math im stuck

Mathematics
1 answer:
swat323 years ago
3 0

y = - 40

- 40 since theres no letters it gonna be -40.

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Carlo was baking cupcakes. The recipe called for 1.5 cups of sugar to make 24 cupcakes. How many cups of sugar will he need to m
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A set of data with a mean of 53, and a standard deviation of 6.2 is normally distributed. Find the value of a data point that is
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The value of a data point that is -2 standard deviations from the mean

so, 40.6 to 65.4.

<h3>What is the empirical rule?</h3>

According to the empirical rule, also known as the 68-95-99.7 rule, the percentage of values that lie within an interval with 68%, 95%, and 99.7% of the values lies within one, two, or three standard deviations of the mean of the distribution.

P(\mu - \sigma < X < \mu + \sigma)  \approx 68\%\\P(\mu - 2\sigma < X < \mu + 2\sigma)  \approx 95\%\\P(\mu - 3\sigma < X < \mu + 3\sigma)  \approx 99.7\%

From the empirical rule, we know that for 95% we are in 2 standard deviations of the mean. so:

= 53- 6.2- 6.2

= 40.6

The value of a data point that is -2 standard deviations from the mean

53 + 6.2 + 6.2

= 65.4

Learn more about the empirical rule here:

brainly.com/question/13676793

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Write the equation x^2 = 7x in standard form​
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x²-7x=0

Step-by-step explanation:

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equation is y=-x+4
5 0
4 years ago
Read 2 more answers
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