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Papessa [141]
1 year ago
13

Use the standard normal distribution to find P(-1.23 Sz<2.12).

Mathematics
1 answer:
matrenka [14]1 year ago
5 0

Answer:

  (d)  0.8736

Step-by-step explanation:

Unless you have a table of the normal distribution available, this is a calculator problem. Your calculator, or any spreadsheet, can tell you the probability is ...

  P(-1.23 ≤ z ≤ 2.12) ≈ 0.8736

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Belle walks 7/10 mile each morning, and 1, 4/10 miles each evening.
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Answer:

10.5 miles.

Step-by-step explanation:

If she walks 7/10 of a mile each morning, and 1, 4/10 of a mile each day, Belle walks a total of 2 1/10 of a mile each day (2.1) miles each day)

We can just multiply the amount of miles per day by 5, (2.1 x 5) and we get 10.5 miles total.

7 0
1 year ago
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Convert 45° from degrees to radians.
leonid [27]
<h2>pi divided by four</h2>

Step-by-step explanation:

Let the angle in degrees be a

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6 0
3 years ago
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Number of different 5 digit combinations if successive digits msut be different
Maslowich
For the first digit you have 10 options (0..9).
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4 0
3 years ago
4+9 because i need to waste my points
Annette [7]

Answer:

ummmmm i think apple?

Step-by-step explanation:

because if 4 equals green and you put the square root of branch in there you will get branch×apple tree+water=apple my bad its green apple

i did it wrong i just redid the question and found the right answer. so if you put branch×square root of 9 apples+apple tree=9 apples right? well yes but if you add branch+square root of 4 more apples you will get in total 13 apples.

3 0
2 years ago
Suppose you have a gift certificate worth $20 for one long-distance phone call. If the charge is $1.10 for the first minute and
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Answer:

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Step-by-step explanation:

3 0
3 years ago
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