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alukav5142 [94]
3 years ago
12

in 2015, Oklahoma experienced 907 perceptible earthquakes (far surpassing California), for an average of about 2.5 perceptible e

arthquakes per day. Consider perceptible earthquakes that occur independently with a constant daily rate of 2.5 What is the probability that a given day would have 1 perceptible earthquake?
Mathematics
1 answer:
jok3333 [9.3K]3 years ago
4 0
Rockarooooooooooooooo
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In March 2015, a Nielsen global online survey "found that consumers are increasingly willing to pay more for socially responsibl
Veseljchak [2.6K]

Answer:

For this case the parameter of interest is given by:

p who represent the true proportion of respondents said that they were willing to pay more for products and services from companies who are committed to positive social and environmental impact

For this case we have an estimation given for this parameter. The estimation comes from a sample of 30000 people selected in 60 countries and they got:

\hat p = 0.66

This value represent the best estimator for the true proportion since is an unbiased estimator of the real parameter:

E(\hat p) = p

Step-by-step explanation:

For this case the parameter of interest is given by:

p who represent the true proportion of respondents said that they were willing to pay more for products and services from companies who are committed to positive social and environmental impact

For this case we have an estimation given for this parameter. The estimation comes from a sample of 30000 people selected in 60 countries and they got:

\hat p = 0.66

This value represent the best estimator for the true proportion since is an unbiased estimator of the real parameter:

E(\hat p) = p

For this case if we want to test if the population proportion is equal to an specified value we can use the one sample z test for a proportion:

Null hypothesis:p=p_0  

Alternative hypothesis:p \neq p_o  

When we conduct a proportion test we need to use the z statisitc, and the is given by:  

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

The One-Sample Proportion Test is used to assess whether a population proportion \hat p is significantly different from a hypothesized value p_o.

6 0
3 years ago
Consider the following equation,<br> bh + hr = 25<br><br> Solve the equation for h
Nikolay [14]

Answer:

Step-by-step explanation:

4 0
3 years ago
294% as a mixed number in simplest form
Natali5045456 [20]

Answer:

Step-by-step explanation:

294% = 2.94 = 2 and .94 = 2  94/100 = 2 47/50

5 0
2 years ago
The table below shows the cube roots of different numbers: Number (x) 27 −27 125 −125 Cube root of the number (y) 3 −3 5 −5
kolbaska11 [484]
Part A

The table does represent y as a function of x because each input (values of x) related to exactly one output. Refer to the diagram below.

Part B

We have
f(x) = 925x + 1000
f(24) = 925 (24) + 1000
f(24) = 23200

f(24) represent the value of renting for 24 months

5 0
3 years ago
A math teacher is trying to analyze her test grades. She surveys the students to find out how many minutes they studied. She the
Natali [406]
<span>Well, they couldnt have studied negative time.. So Id say the domain is \(x \ge 0\) where \(x\) is the time they studied.</span>
5 0
3 years ago
Read 2 more answers
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