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Evgesh-ka [11]
3 years ago
7

Arterial blood gas analyses performed on a sample of 15 physically active adult males yielded the following resting PaO2 values:

75; 80; 80; 74; 84; 78; 89; 72; 83; 76; 75; 87; 78; 79; 88 a) Calculate the standard error b) Construct a 95 percent confidence interval for the mean of the population. c) Give a probabilistic interpretation for the confidence interval.
Mathematics
1 answer:
jok3333 [9.3K]3 years ago
3 0

Answer:

this seems hard to do

Step-by-step explanation:

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I know I need to use the change of base
Zinaida [17]
The change of base formula looks like this:
                                           log x
(log to the base b of ) x = -----------    (you could also use ln instead of log)
                                            log b

                                                       log 40       1.602
Then (log to the base 7 of) 40 = ------------ = ------------- = 1.896   (answer)
                                                        log 7         0.8451

check (on calculator):    7^1.896 = 40.023   (close enough to 40 to verify 
                                                                     that this method "worked")
7 0
3 years ago
Heyy! i’ll give brainliest help asap pls
PolarNik [594]

Answer:

Cutting down a forest for farmland

8 0
2 years ago
Which algebraic expression represents "the quotient of 7 and a number"? 7/n O 7+n o 7n<br>7-n​
Mekhanik [1.2K]

Answer:

7/n

Step-by-step explanation:

quotient means division and the only answer choice with a division sign is 7/n where n is the unknown number.

Hope this helped and pls mark brainliest!

5 0
3 years ago
A dog and a cat are 200 meters apart when they see each other. The dog can run at a speed of 30 meters per second, while the cat
fredd [130]

Answer:

I think after 1.6 s it Will catch the dog

6 0
2 years ago
A parabola can be drawn given a focus of (6,0) and a directrix of y = -6. Write the
VLD [36.1K]

Answer:

Equation of the parabola: 12y+36=(x-6)^2 or y=\frac{x^2}{12} -x

Vertex form: y=\frac{1}{12} (x-6)^2-3

Intercept form: y=\frac{x}{12} (x-12)

Step-by-step explanation: hope this helps please give brainlieat!

7 0
3 years ago
Read 2 more answers
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