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serious [3.7K]
2 years ago
7

Let S be a sample of size 31 from a normally distributed population Omega . It is given that the average of the data in S is 120

and the standard deviation is 18. Construct a 90% confidence interval [a, b] for the population mean based on the data in the sample.
Mathematics
1 answer:
Kipish [7]2 years ago
8 0

Answer:

48 NO seña hfjxsmisns sisbxbd

Step-by-step explanation:

<h2><em><u>nzhejsbxbddndbhwksdyanvxydjd4mnnnek</u></em><em><u>nwnennnnnn</u></em></h2>
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The atmospheric pressure at sea level is 14.7 lb/in2. This pressure is reduced by half for each 3.6 miles above sea level. Which
Oxana [17]
Find attached a graph that I constructed.

To do that graph I used Excel.

First I did a table with this set of points:

<span><span><span>height      presuure
</span> <span> miles        psi
</span> <span> 0              14,7 </span> <span> <---- initial data

3.6           7.35 </span> <span> <--- increase hegiht 3.6 miles => half pressure

7.2            3.675 </span> <span> <---- second increase of 3.6 miles in height

10. 8         1.8375 </span> <span> <---- third increase of 3.6 miles in height

14.4           0.91875 </span> <span>

18              0.459375 </span> </span></span>
Download pdf
5 0
3 years ago
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Pls help me help my little cuz to understand pls BONUS POINTS!
aliya0001 [1]
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7 0
2 years ago
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Lydia uses 8.4 pints of white paint and blue paint to paint her bedroom walls.
Alex777 [14]

Answer:

25.2 pints of blue paint

Step-by-step explanation:

If 8.4 is 1/4 of the total amount of paint then multiply it by 4 to find the total amount of paint, which is 33.6. The subtract 8.4 from 33.6 which is 25.2

Hope this helps :)

3 0
2 years ago
WHAT DID LEAH DO WRONG <br> -5.25 = -25/100= -1/4
stepan [7]

Answer:ask google or the wander would be 1.2

Step-by-step explanation:

8 0
2 years ago
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A woman received 5 per cent interest on a loan of $300 for 1 year. How much interest did she receive? $5 $15 $30 $150 none of th
choli [55]

Answer:

15$

Step-by-step explanation:

this is because if you use our formula of I= prt

we can substitute our varibles for our equation

I= 300 x 0.05 x 1

we turn 5 in 0.05 to represent out rate, due to this our rate would have to be Simplified into a percent then a decimal

after this if we now proceed through our equation we will get

I = 300 x 0.05 x 1

I = 15

6 0
3 years ago
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