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Free_Kalibri [48]
3 years ago
14

Handsome Jack is buying a pony made of diamonds. The price of the pony is

Mathematics
1 answer:
marusya05 [52]3 years ago
6 0
Isoo lo enduxnzn dar dixnd u⏲⌨️jwj7-71727373?3jjfudjw d MSU
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Factories: 64x3y3+8-2xy
Elena-2011 [213]

can you make the question clear so I can answer you the question.

3 0
3 years ago
A survey of 132 students is selected randomly on a large university campus. They are asked if they use a laptop in class to take
ddd [48]

Answer:

For 90% CI = (0.428, 0.572)

For 98% CI = (0.399, 0.601)

The confidence interval (and Margin of error) reduces when 90% confidence level is used compared to when 98% confidence level is used.

Step-by-step explanation:

Confidence interval can be defined as a range of values so defined that there is a specified probability that the value of a parameter lies within it.

The confidence interval of a statistical data can be written as.

p+/-z√(p(1-p)/n)

Given that;

Proportion p = 66/132 = 0.50

Number of samples n = 132

Confidence level = 90%

z(at 90% confidence) = 1.645

Substituting the values we have;

0.50 +/- 1.645√(0.50(1-0.50)/132)

0.50 +/- 1.645√(0.001893939393)

0.50 +/- 0.071589436011

0.50 +/- 0.072

(0.428, 0.572)

The 90% confidence level estimate of the true population proportion of students who responded "yes" is (0.428, 0.572)

For 90% CI = (0.428, 0.572)

For 98% CI = (0.399, 0.601)

The confidence interval (and Margin of error) reduces when 90% confidence level is used compared to when 98% confidence level is used.

7 0
3 years ago
For f(x) = 0.01(2)x, find the average rate of change from x = 12 to x = 15.
loris [4]
The correct answer is C. i think
6 0
3 years ago
Read 2 more answers
Simplify the product 4x(2x^3-7x^2+x)
Andreyy89
8x^4-28x^3+4x^2
That’s the answer
3 0
3 years ago
Charmaine runs 6miles in 45 minutes at the same rate how many minutes would she take to run 4 miles
Crazy boy [7]

Answer:

I believe its 24 minutes or 30 minutes

Step-by-step explanation:

7 0
3 years ago
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