Ask question

Ask question

All categories

3 years ago

14

Một lô hàng có 6 chính phẩm và 4 phế phẩm, lấy ngẫu nhiên 2 sản phẩm. tìm kỳ vọng của số chính phẩm

1 answer:

lana66690 [7]3 years ago

4 0

Answer:

I'm sorry I didn't understand

Step-by-step explanation:

sorry

You might be interested in

How many millimetrs are there in 4cm?

blagie [28]

Since 1 cm = 10 mm
Then 4 cm = 40 mm

6 0

3 years ago

<img src="https://tex.z-dn.net/?f=8.0%20%20%5Ctimes%20%20%7B10%7D%5E%7B%20-%205%7D%20%20%5Ctimes%2010000" id="TexFormula1" title

vladimir1956 [14]

The answer would be 0.8

6 0

2 years ago

I need help please help me ;-;

vodomira [7]

Answer:

I think option A is correct answer

3 0

2 years ago

Read 2 more answers

will got 17 out of 25 questions correct on his driving test what percent correct did he get on the test?

Natalija [7]

Answer:

68%

Step-by-step explanation:

$\frac{17}{25} = \frac{68}{100}$
$\frac{68}{100}$ = 68%

I hope this helps!

5 0

3 years ago

Read 2 more answers

What is 1024 1/5 simplified?

frutty [35]

$\bf \left.\qquad \qquad \right.\textit{negative exponents}\\\\
a^{-{ n}} \implies \cfrac{1}{a^{ n}}
\qquad \qquad
\cfrac{1}{a^{ n}}\implies a^{-{ n}}
\qquad \qquad 
a^{{{ n}}}\implies \cfrac{1}{a^{-{{ n}}}}\\\\
-------------------------------\\\\
1024\frac{1}{5}\qquad 
\begin{cases}
1024=2^{10}\\
\frac{1}{5}=5^{-1}
\end{cases}\implies 2^{10}5^{-1}$

6 0

3 years ago