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lions [1.4K]
3 years ago
11

Connie Hargrave's tree fell in the last storm and damaged the car of

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
5 0
The answer to this question is D
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Miguel is posting photos on a school website. He has 48 photos, and he is allowed to
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12p=48

Step-by-step explanation:

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Arianna cycles for 3 hours at a speed of 40 mph. what distance did she travel
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40 × 3 = 120 miles

that's it

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3 years ago
Based on historical data, your manager believes that 40% of the company's orders come from first-time customers. A random sample
Vedmedyk [2.9K]

Answer:

P(0.26 \leq p \leq 0.43)=0.7204-0.0032=0.7172

Step-by-step explanation:

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

The population proportion have the following distribution

p \sim N(p=0.4,\sqrt{\frac{p(1-p)}{n}}=\sqrt{\frac{0.4(1-0.4)}{91}}=0.0514)

And we can solve the problem using the z score on this case given by:

z=\frac{p_o -p}{\sqrt{\frac{p(1-p)}{n}}}

We are interested on this probability:

P(0.26 \leq p \leq 0.43)

And we can use the z score formula, and we got this:

P(\frac{0.26 -0.4}{\sqrt{\frac{0.4(1-0.4)}{91}}} \leq Z \leq \frac{0.43 -0.4}{\sqrt{\frac{0.4(1-0.4)}{91}}})

P(-2.726 \leq Z \leq 0.584)

And we can find this probability like this:

P(-2.726 \leq Z \leq 0.584)=P(Z

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3 years ago
George is drafting his dissertation paper for his doctoral program. The graph below shows the line of best fit for the data reco
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a. \: y =  \frac{3}{2} x + 4 \\  \\ 1. \:  \frac{3}{2} x + 4 = y \\ \\  2. \:  \frac{3}{2} x = y - 4 \\  \\ 3. \:  \frac{ \frac{3}{2} x}{\frac{3}{2} }  =  \frac{y - 4}{2}   \\  \\ x =  \frac{2y - 8}{3}

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3 years ago
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