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Tcecarenko [31]
4 years ago
13

The number of wiring packages that can be assembled by a company's employees has a normal distribution, with a mean equal to 19.

5 per hour and a standard deviation of 1.5 per hour. (a) What are the mean and standard deviation of the number x of packages produced per worker in an 8-hour day

Mathematics
1 answer:
mote1985 [20]4 years ago
7 0

Step-by-step explanation:

Below is an attachment containing the solution

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Mrs.Gill won certain prize money in a cooking competition.She spent half of the prize money on the clothes,one third on grocery
erma4kov [3.2K]

Answer

Find out the how much prize money did she win.

To proof

Let us assume that the total amount prize money did she win be u.

As given

Mrs.Gill won certain prize money in a cooking competition.

She spent half of the prize money on the clothes

= u -\frac{u}{2}\\ = \frac{u}{2}

one third on grocery

= \frac{u}{2} -\frac{u}{3}

(L.C.M of (2,3) =6 )

= \frac{3u -2u}{6} \\=\frac{u}{6}

gave away the remaining Rs.2000 to an orphanage

2000 = \frac{u}{6}

u =Rs 12000

Rs 12000  prize money did she win.

Hence proved

6 0
4 years ago
16% of what cookies is 44 cookies
Vsevolod [243]
275??
16×=4400

16×/16=4400/16
x=275
5 0
4 years ago
Aphrodite took out a 30-year loan from her bank for $170,000 at an APR of 7.2%, compounded monthly. If her bank charges a prepay
lora16 [44]
It's 3246.74 --- APEX
7 0
3 years ago
Yolanda purchased a prepaid phone card for $25 . long distance calls cost 17 cents a minute using this card. yolanda used her ca
USPshnik [31]
So $25 - $17.35 = $7.65

7.65÷ 17 = 45
45 = 45 min
4 0
3 years ago
What is the length of the unknown leg in the right triangle? 6 mm 8 mm mm mm
makkiz [27]

Answer: 10mm

Step-by-step explanation: You are going to use the "Pythagorean Theorem" method.

Step 1 :

Equation : a^2+b^2=c^2

plug in your data to the equation given. Then simplify and add.

6^2+8^2=C^2

simplify : 36 + 64 = C^2

simplify : 100 = C^2

Step 2 :

Find what goes into 100 evenly.

100 = 10^2 = (10)(10) = C^2

Step 3:

Find the square root of 10^2 = C^2

10 = c

Last Step :

The length of the unknown leg in the right triangle is 10mm

YAY!!!! you're finished! I hope I explained this so it was easy for you to understand.

8 0
3 years ago
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