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ad-work [718]
2 years ago
7

A manufacturing company measures the weight of boxes before shipping them to the customers. Assume that the weights of boxes are

normally distributed with mean 90 lbs and standard deviation 24 lbs. a) Find the probability that a randomly selected box will exceed 94 lbs. b) If a sample of 36 boxes is randomly selected, find the probability that the average of the boxes exceeds 94 lbs.
Mathematics
1 answer:
Sedaia [141]2 years ago
3 0

Answer:

24

Step-by-step explanation:

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Ludmilka [50]

Answer:

C

Step-by-step explanation:

The pool raises 30 inches every 4 secounds

Therefore the equations to find the answer is 30 divided by 4 which equals 7.5

4 0
3 years ago
Read 2 more answers
A laundry basket contains 34 white socks and 62 tan socks. What is the probability that a random selected sock will be white?
allochka39001 [22]

Answer

34/96 or simplify it, 17/48

Step-by-step explanation:

62+34=96

And because you have 34 white socks, 34/96 or simplify it, 17/48

7 0
3 years ago
Question: What is the number of the parking space covered by the car?
sukhopar [10]

Answer:

93

Step-by-step explanation:

7 0
2 years ago
Amanda is having new tile installed in her kitchen. TileAll charges a flat fee of $378.00 plus $15.00 per tile. Kitchen Plus cha
myrzilka [38]

Answer:

C = 495 + 13.05x

60 tiles.

Step-by-step explanation:

$15.00 per tile plus a flat fee of $378.00 that charges Tile All.

Therefore, for x number of tiles, the total cost of installation will be  

C = 378 + 15x ........... (1)

Again, $14.50 per tiles plus a flat fee of $550.00 that charges Kitchen Plus. Amanda has at Kitchen Plus, a 10% discount coupon.

Therefore, for x tiles installation the charges will be  

C = (550 + 14.5x)(1 - \frac{10}{100}) = 495 + 13.05x .......... (2) (Answer)

Now, if for x number of tiles both the company charges the same, then  

378 + 15x = 495 + 13.05x (From equations (1) and (2)}

⇒ 1.95x = 117

⇒ x = 60 tiles. (Answer)

3 0
3 years ago
2/3 x -6 =9<br><br>22 1/2<br>10<br>-22 1/2<br>25<br><br><br><br><br><br><br><br><br>​
Pavel [41]

Answer:

22 1/2

Step-by-step explanation:

2/3x=15

x=15/2/3

x=15*3/2

x=45/2

Therefore, x=22 1/2

5 0
3 years ago
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