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yarga [219]
3 years ago
9

Please show your work. The data modeled by the box plots represents the battery life of two different brand of batteries that Ji

ll tested.

Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
7 0
(a) Brand X median  = 13
      Brand Y median = 16

Median is the center dot in the shaded box (in blue color). Look at the Time (h) axis for their values. For Brand X it is 13 whereas for the Brand Y it is 16

(b) If we compare their median values we can see that the difference is 3 hours (16-13 = 3). It means that the Brand Y battery will last longer compared to Brand X battery as Brand Y lasts for 16 hours whereas Brand X battery lasts for 13 hours. 
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According to a poll, 30% of voters support a ballot initiative. Hans randomly surveys 5 voters. What is the probability that exa
VMariaS [17]

The probability that exactly 2 voters will be in favor of the ballot initiative is 0.309.

<h2>Given</h2>

Number of voters who support ballot initiative = 30 % = 0.30

Number of voters who does not support this initiative = 1 - 0.30 = 0.70

Number of voters selected for Surveying = 5

<h3>What is probability?</h3>

The probability of success and failure remain the same throughout the trials.

The probability that exactly 2 voters will be in favor of the ballot initiative is given by;

If P denotes Success and Q denotes failure;

\rm = ^{5}C_2 \times (0.3)^2 \times (0.70)^3\\\\= 10 \times 0.09 \times 0.343\\\\= 0.309

Hence, the probability that exactly 2 voters will be in favor of the ballot initiative is 0.309.

To know more about Probability click the link given below.

brainly.com/question/20344726

3 0
2 years ago
A student writes 5y*3 to model the relationship the sum of 5y and 3. explain the error
shutvik [7]
Multiplied instead of added. the "sum" means addition.
6 0
3 years ago
LOOK AT THE PICTURE BLOW
navik [9.2K]

Answer:

A = 31.8 cm2

Step-by-step explanation:

Yhe formula:

A=\frac{\pi r^{2}(Central.Angle) }{360}

r=18/2=9cm

central angle = (180-135)° = 45°

A=\frac{\pi ((9)^{2}(45) }{360} = \frac{\pi (81)(45)}{360} = 10.125\pi cm^{2}

A=31.8cm^{2}

Hope this helps

8 0
2 years ago
Convert 0.0075 to a percent.<br> 0.075%<br> 0.75%<br> 75%<br> 0.0075%
tamaranim1 [39]

Answer:

It would be the second option...

Hope this helps:)

8 0
3 years ago
Read 2 more answers
HOLY CHICKIE NUGGIES WHAT IS THIS?!?!? I AM CONFUSION??
balu736 [363]

Answer:

Ok!

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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