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mixer [17]
2 years ago
15

The data modeled by the box plots represent the battery life of two different brands of batteries that Mary tested. (a) What is

the median value of each data set? (b) Compare the median values of the data sets. What does this comparison tell you in terms of the situation the data represent? For 100 point pls​
Mathematics
1 answer:
Liula [17]2 years ago
4 0

Answer:

a brand x = 13 (median ) brand y = 16 median

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Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation of 0.07 g. If a vend
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Answer:

0.98046

Step-by-step explanation:

Given:

  • μ = 5.67
  • σ = 0.07

Here we are required to find

P(5.48 <X<5.82) and between 5.48 and 5.82 we each z-score given by

<em>z = (x - μ) / σ</em>

So 5.48 we have z = -2.714  and 5.82 we have  z = 2.143

Therefore we have the area of interest on the normal distribution chart given by :

P( -2,714 < z < 2.143)

= 1 - P(Z<-2.714) + P(Z >  2.143)

= 1 - P(Z<-2.714) + (1 - P(Z <  2.143))

= 1 - 0.00336 + 1 - 0.98382

= 1 - 0.01954 = 0.98046

6 0
3 years ago
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Which expression is equivalent to 2x - 1/3(12x - 30)?
kramer

Answer:

C

Step-by-step explanation:

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There are 7 more runners than walkers. If there are 11 walkers, how many runners are there?​
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Answer:18 runners

Step-by-step explanation:

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7 0
3 years ago
What is the vertex of y=3|x+1|-2
spin [16.1K]

Answer:

(-1,-2)

Step-by-step explanation:

Generally, the absolute value function can be expressed like so:

f(x) = y = a|x-h|+k, where vertex: (h,k)

Rewriting our function here ever so slightly gives us: y = 3|x-(-1)|+(-2)

So the vertex is at (-1,-2)

7 0
3 years ago
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