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Juli2301 [7.4K]
3 years ago
11

Weights of cars passing over Bridge part 3​

Mathematics
1 answer:
marin [14]3 years ago
8 0

Answer:

  d. 30.42%

Step-by-step explanation:

A suitable calculator pegs the probability of exceeding 0.51724 standard deviations above the mean as about 0.3025 = 30.25%. The closest answer is choice D.

  Z = (X -μ)/σ = (4000 -3550)/870 = 450/870 ≈ 0.51724

_____

<em>Comment on the answer choices</em>

30.42% is the probability of exceeding 3995 pounds, not 4000.

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True [87]
Ways to spot if an expression is not a polynomial:
1) If there is a negative exponent
2) If there is division by a variable
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So, from the given options, option C is the only polynomial
7 0
3 years ago
if a lady chargers $2.00 for gas and $3.00 per 1/2 hour of work . What is the amount of money she makes in 4 hours ?
anastassius [24]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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Question in the picture!
Elenna [48]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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The endpoints of a line segment graphed on a Cartesian coordinate system are (4, 1) and (-2, -4). What are the coordinates of th
Masja [62]
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3 years ago
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svetoff [14.1K]

Answer:

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Step-by-step explanation:

I hope that is useful for you :)

6 0
3 years ago
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