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Tasya [4]
3 years ago
13

B. use the figur on the right side to classify the pair of Angeles.

Mathematics
1 answer:
7nadin3 [17]3 years ago
5 0
DON'T OPEN IT, IT WILL GIVE YOU A VIRUS!!!
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Estimate 306.9 divided by 6.4
stich3 [128]
Round 306.9 to 307 then divide by 6.4 then you have your answer
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4 years ago
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Problem 1.(32 points) A random sample of 100 Uber rides in Chicago has on average 5.4miles per ride. Assume the distribution of
marshall27 [118]

Answer:

a) CI = ( 5,1 ; 5,7 )

b) SE =  0,1  

Step-by-step explanation:

a) Sample random     n  = 100

Mean  =  μ = 5,4

Standard deviation   s = 1,3

CI = 99 %    α = 1 %   α = 0,01     α/2 =  0,005

z(c) for  0,005 is from z-table    z(c)  = 2,575

z(c)  =  ( X - μ ) /s/√n          CI  =  μ ± z(c) * s/√n

CI =  5,4 ± 2,575* 1,3/10

CI = 5,4 ± 0,334

CI = ( 5,1 ; 5,7 )

b) SE = Standard deviation / √n

SE = 1,3 /10       SE =  0,1  

We can support that with 99 % of probability our random variable will be in the CI.

6 0
2 years ago
Dinner Bill- $28.15, Tax- 8%, Tip- 15% What is the final cost.<br>​
aev [14]
Answer is 34.96$ for the final cost.
7 0
3 years ago
No solution:<br> 3(x-4/3)=3x+?
telo118 [61]

Answer:

yes I try but not any solution come

please mark me brainliest and follow me my friend.

6 0
3 years ago
Brennan has already run 16 miles on his own, and he expects to run 3 miles during each track practice. How many track practices
pentagon [3]

Answer:

It would take Brennan 4 track practice runs.

Step-by-step explanation:

He has already run 16 miles and needs to run 28 in total. If we are counting the 16 in the 28 miles, he would need to run only 12 more to reach his goal. And if he runs 3 miles a run, it would take him about 4 runs to finish his 28-mile goal.

(28-16=12 and 12/3=4)

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3 years ago
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