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Ostrovityanka [42]
3 years ago
7

A population has a mean of 300 and a standard deviation of 18. A sample of 144 observations will be taken. The probability that

the sample mean will be between 297 to 303 is
Mathematics
1 answer:
erastova [34]3 years ago
3 0

Answer:

0.8664

Step-by-step explanation:

I hope it helps, and please give me Brainlest!

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??????????????????????????????
Anna007 [38]

You want to find the time <em>t</em> such that

\$1000 = \$200 e^{0.04t}

Divide both sides by $200 :

\dfrac{\$1000}{\$200} = 5 = e^{0.04t}

Take the logarithm of both sides:

\ln(5) = \ln(e^{0.04t}) = 0.04t\ln(e) = 0.04t

Divide both sides by 0.04 and solve for <em>t</em> :

t = \dfrac{\ln(5)}{0.04} \approx 40.24 \approx \boxed{40}

6 0
3 years ago
X-3&lt;9<br><br> What’s the answer to this everbody should know
Murrr4er [49]

Answer:

x<12

Step-by-step explanation:

Let's solve your inequality step-by-step.

x−3<9

Step 1: Add 3 to both sides.

x−3+3<9+3

x<12

Answer:

x<12

5 0
3 years ago
What is 101,949 rounded to the nearest hundred thousand?
kobusy [5.1K]
Well the answer is 103,000 because when you round it the 1 becomes a 2
5 0
3 years ago
Read 2 more answers
I WILL MARK BRAINLIEST NEED ASAP PLS
Lelechka [254]

Answer:

option D or y = 7x + 2 is the answer

8 0
3 years ago
Will give brainliest for 5marks​
anastassius [24]

Answer:

  • $230

Step-by-step explanation:

<u>Work hours Monday till Friday:</u>

  • 3.5 + 5 + 2.5 + 4 + 2 = 18 hours

<u>Payment for 5 days:</u>

  • 15*$8 + (18 - 15)*$10 = $150

<u>Payment for Saturday:</u>

  • 5*2*$8 = $80

<u>Total payment:</u>

  • $150 + $80 = $230
5 0
2 years ago
Read 2 more answers
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