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Bess [88]
3 years ago
10

A manufacturer knows that their items have a normally distributed length, with a mean of 19.3 inches, and standard deviation of

4 inches. if 18 items are chosen at random, what is the probability that their mean length is less than 18.3 inches
Mathematics
1 answer:
Scrat [10]3 years ago
8 0
Dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd
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Determine the median of the following numbers: 8, 11, 11, 12, 13, 15, 16, 16, 18, 21​
Fiesta28 [93]
The median of the following numbers is 14

Order the numbers from least to greatest
Since median means middle mark off a number on each side until there is one left. That will be your answer
If it is an even amount of numbers than take the middle two numbers and find the average (mean)
To do so add the numbers and divide by two
7 0
3 years ago
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Without the wind, a plane would fly due east at a rate of 150 mph. The wind is blowing southeast at a rate of 50 mph. The wind i
ch4aika [34]
The actual speed of the plane with the wind:
v² = ( 150 + 50 · cos 45°)² + ( 50 · sin 45°)²
v² = ( 150 + 35.355 )² + 35.355²
v² = 34,356.467 + 1,249.976
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v = 188.7 mph
8 0
3 years ago
HELP!!!!!!!!!!!!!!!!!!!!!!
Furkat [3]

Answer:

See below.

Step-by-step explanation:

Congruent sides:

SU and FO

UN and OG

SN and FG

Congruent angles:

<S and <F

<U and <O

<N and <G

6 0
3 years ago
Help me now now plz I’m trying to passssss
wlad13 [49]
I’m sure your answer is D. 180 - 125 will get you 55.!
Have a nice day!
4 0
2 years ago
What is the area of the figure?
Mrrafil [7]

Answer:

The shape has a total area of 14.96cm²

Step-by-step explanation:

To solve this all you need to do is take the area of the outer rectangle, and subtract the area of the inner rectangle.

The outer rectangle is 5.6 by 6.4 cm.  To get its area, just multiply those dimensions. When you do so you get the area 35.84cm².

Next the inner rectangle needs to be subtracted.  First though, we need its width, which we're not directly given.

We do however know the width of the entire shape, and the width of segments left after cutting out the inner rectangle.  All we need to do then is subtract the later from the former to the the inner rectangle's width:

5.6cm - 1.2cm - 0.8cm = 3.6cm

Great!  The inner rectangle has an area of 3.6cm × 5.8cm.  That gives us 20.88cm².

The final step is to subtract that 20.88 square cm from the 35.84 that we already have.  Doing so gives us a result of 14.96cm², and that is the final answer.

5 0
2 years ago
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