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ki77a [65]
3 years ago
12

Probability distribution part 2​

Mathematics
1 answer:
steposvetlana [31]3 years ago
7 0

Answer:

  b.  -0.862

Step-by-step explanation:

The only answer choice with a minus sign is B, which is the correct choice.

When the value of interest is below the mean (2800 is below 3550), the z-score will be negative:

  z = (2800 -3550)/870 = -750/870 ≈ -0.86207 ≈ -0.862

_____

As always, z is computed as ...

  Z = (X -μ)/σ

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Solve the inequality<br> x/3 - 2 &lt;4
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Answer:

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Step-by-step explanation:

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x/3<6

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How many toothpicks are needed to build the tree on day 100?​
Mariana [72]

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100 x 4 = 400 - 91 = 309

Step-by-step explanation:

4 0
3 years ago
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Jenna wants to build 8 birdhouses. She needs 2 3/5 square feet of plywood for each birdhouse. If the plywood costs $0.56 per squ
goldenfox [79]

Answer:

$11.76

Step-by-step explanation:

We first need to find the amount of plywood for all birdhouses.

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Remember, the question might be different, so don't submit anything yet. If the people who sell the plywood only sell in integer numbers (meaning you can't buy 4/5 of a square foot of wood but can only by amounts with no fractions), then Jenna must buy 21 square feet of plywood and will have a little bit of wood left over. Now solve just like before.

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3 0
3 years ago
Calculate the area of the irregular polygon shown below:
MAXImum [283]
That's the diagram..
(12×3) + 3(0.67×7) = 50.07inches²
≈ 50inches²

hope this helps
make it the brainliest if it's correct....

5 0
3 years ago
Whats the answer pls thankyou
Sladkaya [172]

Answer:

your answer is 0.4x10^6

5 0
2 years ago
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