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3 years ago

1 2/3-2 1/3 what’s the answer

Mathematics

2 answers:

nikdorinn [45]3 years ago

4 0

Answer:

-2/3

Step-by-step explanation:

Convert 1 2/3 to 5/3. Then 2 1/3 to 7/3 then subtract. 5-7 equals -2. So the answers is -2/3

scoray [572]3 years ago

3 0

Answer:

$-\frac{2}{3}$

Hope this helped you

Red

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3 years ago

Read 2 more answers

Seven customers enter a clothing store and are observed to determine if they will make a purchase. The store owner states that t

blondinia [14]

Answer: Mean = 5.25

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Step-by-step explanation:

The mean and variance of a binomial distribution with parameters n (number of trials) and p ( the probability of getting success in each trial) is given by :-

$\text{Mean}=np\\\\\text{Variance}=np(1-p)$

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The probability of a customer making a purchase= 0.75

Now,

$\text{Mean}=7(0.75)=5.25\\\\\text{Variance}=7(0.75)(0.25)=1.3125\\\\\Rightarrow\ \text{Standard deviation}=\sqrt{1.3125}=1.14564392374\approx1.1456$

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3 years ago

Isabel ran for president of the chess club, and she received 12 votes. There were 15 members in the club. What percentage of the

hammer [34]

Answer:

80%

explanation:

just looked up "what percentage is 12 out of 15 and it gave me an answer"

just do this for all ur other questions like this

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