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jok3333 [9.3K]
2 years ago
12

PLEASEEEEEEEEEEE HELPPPP WILL GIVE BRAINLIEST!!!!!!!PLEASEEEEEEE

Mathematics
1 answer:
vitfil [10]2 years ago
5 0

Answer:

7f lenghtg is 29.2

Step-by-step explanation:

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You jog 6 and 2 thirds miles around a track each day. If you jogged that distance 4 times last week, how many miles did you jog?
Hunter-Best [27]
You jogged 26 2/3 miles because 6 2/3x4= 26 2/3
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3 years ago
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Kinda need help fast.
Ivan

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the amswer is c

Step-by-step explanation:

3 0
2 years ago
Jana finished 1/4 of her homework at school and 2/3 of it before dinner. How much of her homework has she done
Galina-37 [17]

Answer:

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Step-by-step explanation:

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3 years ago
The screening process for detecting a rare disease is not perfect. Researchers have developed a blood test that is considered fa
lesya692 [45]

Answer:

Type I: 1.9%, Type II: 1.6%

Step-by-step explanation:

given null hypothesis

H0=the individual has not taken steroids.

type 1 error-falsely rejecting the null hypothesis

⇒   actually the null hypothesis is true⇒the individual has not taken steroids.

 but we rejected it ⇒our prediction is the individual has taken steroids.

typr II error- not rejecting null hypothesis when it has to be rejected

⇒actually null hypothesis is false ⇒the individual has taken steroids.

but we didnt reject⇒the individual has not taken steroids.

let us denote

the individual has taken steroids by 1

the individual has not  taken steroids.by 0

                            predicted

                              1       0

   actual          1    98.4%  1.6%

                        0   1.9%   98.1%

so for type 1 error  

 actual-0

predicted-1

therefore from above table we can see that probability of Type I error is 1.9%=0.019

so for type II error

   actual-1

predicted-0

therefore from above table we can see that probability of Type I error is 1.6%=0.016

5 0
3 years ago
Whats 3+3 for a prize~!<br>u&gt;
Vladimir [108]
3+3=6 hope this helps!
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3 years ago
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