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Alex787 [66]
3 years ago
7

The set (0, 1) is _____.

Mathematics
1 answer:
solong [7]3 years ago
4 0
The set (0,1) is not countable
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5. A company sells small, colored binder clips in packages of 20 and offers a money-back guarantee if two or more of the clips a
SOVA2 [1]

Answer:

a) Binomial.

b) n=20, p=0.01, k≥2

The probability hat a package sold will be refunded is P=0.0169.

Step-by-step explanation:

a) We know that

  • the defective probability is constant and independent.
  • the sample size is bigger than one subject.

The most appropiate distribution to represent this random variable is the binomial.

b) The parameters are:

  • Sample size (amount of clips in the package): n=20
  • Probability of defective clips: p=0.01.
  • number of defective clips that trigger the money-back guarantee: k≥2

The probability of the package being refunded can be calculated as:

P(x\geq2)=1-(P(x=0)+P(x=1))\\\\\\P(x=k) = \dbinom{n}{k} p^{k}q^{n-k}\\\\\\P(x=0) = \dbinom{20}{0} p^{0}q^{20}=1*1*0.8179=0.8179\\\\\\P(x=1) = \dbinom{20}{1} p^{1}q^{19}=20*0.01*0.8262=0.1652\\\\\\P(x\geq2)=1-(0.8179+0.1652)=1-0.9831=0.0169

6 0
3 years ago
Order from least to greatest
Damm [24]

7.038,7.38,7.3841,7.7

7 0
3 years ago
Please help me with number 8
lina2011 [118]
Producer,The producer is the one who manages everything in the big picture.

6 0
2 years ago
Read 2 more answers
-14.9=x/8 -2.1 Please help me answer
Romashka [77]
-14.9 = \frac{x}{8} - 2.1               (Add 2.1 to both sides)
-12.8 = \frac{x}{8}                       (Multiply both sides by 8)
-102.4 = x


~~~Hope this helps!~~~
4 0
3 years ago
How many tenths is 0.4
Salsk061 [2.6K]

0.4 has 4 tenths

Look at 0.4 as 0.40

Divide the 40 by 10 and get 4

-Hope this helped!

8 0
2 years ago
Read 2 more answers
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