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Sonja [21]
3 years ago
6

Kiersten runs a website that helps people learn programming. Every month, Kiersten receives a subscription fee of \$10$10 from e

ach of the subscribers to her website. Last month, the website had 100100 subscribers. This month, 3030 new members joined the website, and 1010 members cancelled their subscription.
How much money will Kiersten’s online business earn this month?
Mathematics
1 answer:
Anestetic [448]3 years ago
3 0

Answer:

1200

Step-by-step explanation:

well, 100+30-10 is equal to 120, so 120*10

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A 90% confidence interval for the average salary of all CEOs in the electronics industry was constructed using the results of a
Stella [2.4K]

Answer:

b) We are 90% confident that the mean salary of all CEOs in the electronics industry falls in the interval $139,048 to $154,144.

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In this question:

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Between ($139,048, $154,144).

So

We are 90% sure that the mean salary of all CEO's falls within this interval.

The correct answer is:

b) We are 90% confident that the mean salary of all CEOs in the electronics industry falls in the interval $139,048 to $154,144.

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