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dalvyx [7]
3 years ago
14

Jeff has 5 red pens and 1 blue pen in his backpack. He also has 1 yellow highlighter and 4 green highlighters in his backpack. I

f he reaches into his backpack and grabs one pen and one highlighter without looking, what is the probability that he will grab a blue pen and a yellow highlighter?
Mathematics
2 answers:
Alexus [3.1K]3 years ago
7 0
Pen- 1/6
highlighter- 1/5
mezya [45]3 years ago
7 0
1/30 is the answer

He has a probability of 1/6 with getting the blue pen and a probability of 1/5 getting the yellow highlighter. Multiply those together and you get 1/30

Happy Holidays!(:


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Diano4ka-milaya [45]

Answer:

2.60

Step-by-step explanation:

Given that:

n = 1600

\hat p = 0.34

P_o = 0.31

The test statistics can be computed as:

Z = \dfrac{\hat p - P_o}{\sqrt{ \dfrac{P_o\times (1-P_o) } {n} }}

Z = \dfrac{0.34-0.31}{\sqrt{ \dfrac{0.31 \times (1-0.31) } {1600} }}

Z = \dfrac{0.03}{\sqrt{ \dfrac{0.31 \times (0.69) } {1600} }}

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mel-nik [20]

Answer:

2

Step-by-step explanation:

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Step-by-step explanation:

8 0
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a cone has a volume of 1,570in3. If the height of the cone is 15 inches. Calculate the radius of the cone?
spin [16.1K]

Answer:

approximately 10

Step-by-step explanation:

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\sqrt{99.9} = r

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5 0
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