2 years ago

Oh yeah guys this has been a very eventful day today.

Mathematics

1 answer:

zimovet [89]2 years ago

6 0

Answer:

Congrats! I got mine like a year ago lol

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Find the probability of a student being 34 years old or younger. Express your answer as a percent

yarga [219]

Answer:

79%

Step-by-step explanation:

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3 years ago

1. Place these numbers in order from smallest to largest:

anyanavicka [17]

Answer:

Step-by-step explanation:

-3/8, - 3/4, - 3, - 2. 5, 1/4, 8/5 3.1, 6

6 0

3 years ago

Trick question<br> whats 50 divided by half plus 10

hoa [83]

$50:\frac{1}{2}+10=50\cdot\frac{2}{1}+10=50\cdot2+10=100+10=\boxed{110}$

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3 years ago

Pls helpp im failing

nydimaria [60]

Answer:

-41.6

Step-by-step explanation:

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2 years ago

SAT scores probability 1

fredd [130]

Answer:

a. 81.5%

Step-by-step explanation:

The z-score for 400 is ...

Z = (X -μ)/σ = (400 -500)/100 = -1

The z-score for 700 is ...

Z = (700 -500)/100 = 2

The empirical rule tells you that 68% of the distribution is within ±1σ of the mean, and 95% is within ±2σ of the mean. Half of that first number is in the range Z = -1 to 0, and half that second number is in the range Z = 0 to +2. So, the probability you want is ...

(1/2)(68%) + (1/2)(95%) = 81.5% . . . . matches choice A

6 0

3 years ago