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ipn [44]
3 years ago
9

Which is prime????????

Mathematics
2 answers:
Mnenie [13.5K]3 years ago
5 0
11 is prime
3 is prime
17 is prime

The rest arent
Simora [160]3 years ago
3 0

Answer: 11, 3, and 17

so C E and F

Step-by-step explanation:

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A lawn service owner is testing new weed killers. He discovers that a particular weed killer is effective 89% of the time. Suppo
marissa [1.9K]

Answer:

The 90% confidence interval for p is (0.8236, 0.9564). The upper confidence limit for p is 0.9564.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

He discovers that a particular weed killer is effective 89% of the time. Suppose that this estimate was based on a random sample of 60 applications.

This means that \pi = 0.89, n = 60

90% confidence level

So \alpha = 0.1, z is the value of Z that has a pvalue of 1 - \frac{0.1}{2} = 0.95, so Z = 1.645.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.89 - 1.645\sqrt{\frac{0.89*0.11}{60}} = 0.8236

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.89 + 1.645\sqrt{\frac{0.89*0.11}{60}} = 0.9564

The 90% confidence interval for p is (0.8236, 0.9564). The upper confidence limit for p is 0.9564.

3 0
3 years ago
Read 2 more answers
How many 2-digit numbers are multiples of 5 but not 4?
Luden [163]
10 , 15 , 25 , 30, 35, 45 , 50 , 55, 65, 70, 75, 85, 90, 95.

Answer is 14.
4 0
4 years ago
G/-9+27= 30 what is g
AfilCa [17]

Answer:

G/-9+27=30

or G/-9=30-27

or G/-9=3

or G=3×(-9)

or G=-27

The G is(-27).

4 0
3 years ago
Jan spends part of her year as a member of a gym. She then finds a better deal at another gym, so she cancels her membership wit
fiasKO [112]
Yeah so she spent half they year at the first one more than likely
8 0
3 years ago
Which expression is equivalent to (2−√−4)+(1+√−49)? <br> 3−5i <br> 3+5i <br> 8+0i <br> −2+0i
sergij07 [2.7K]

Answer:

3 + 5i.

Step-by-step explanation:

(2−√−4)+(1+√−49)

√−4 = 2i  and

√−49 = 7i.

So   (2−√−4 + (1+√−49

= ( 2 - 2i) + (1 + 7i)

=  3  + -2i + 7i

= 3 + 5i.

3 0
3 years ago
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