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kupik [55]
2 years ago
9

Dan thinks of a number

Mathematics
1 answer:
puteri [66]2 years ago
5 0

Answer:

-1

Step-by-step explanation:

2 - 3 = -1

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Samantha works at a nursery where she pots plants. It takes her 112 hours to pot 12 plants. Question 1 Part A How many plants ca
PolarNik [594]

Answer:

9

Step-by-step explanation:

112/12= 9.3

3 0
3 years ago
Analyze the following pattern 1,2,5,10,7
vodka [1.7K]

Answer:

an + 1 = an + 2n -1 ,a 1=1

a8= 50

Step-by-step explanation:

an+1=an+2n-1,a1=1

a6=a5+2x5-1

a6=26

a7=26+11

a7=37

a8=37+13

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3 years ago
Dm de math appareil photo aidee moi svp svpppp
mixer [17]
No idea what language you're talking in, sorry but I only understand English? There is no photo here either.

Please Evaluate?

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8 0
3 years ago
I need help ASAP................
Romashka [77]

Answer:

8

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
g "They hired an analyst who collected a random sample of 40,361 Game of Thrones fans, and found that 8,337 of those fans said t
Viktor [21]

Answer:

The lower bound for a 90% confidence interval is 0.2033.

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}.

For this problem, we have that:

n = 40361, \pi = \frac{8337}{40361} = 0.2066

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}} = 0.2066 - 1.645\sqrt{\frac{0.2066*0.7934}{40361}} = 0.2033

The lower bound for a 90% confidence interval is 0.2033.

6 0
3 years ago
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