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VashaNatasha [74]

2 years ago

14

A. What fraction of the students chose Website A? Write your answer in simplest form.

2 answers:

drek231 [11]2 years ago

8 0

Hmmm I think I know it but I’m not sure. I think it is 28 because if you add 35,13,22 and 10 to get 80% then I used a Calculator(sorry) to get 35% of 80 and got 28. If you turn it into the simplest form, it turns into 56/2. HOPE THIS HELPED :D

exis [7]2 years ago

5 0

Answer:

no se hablar taka taka XD

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In a family with four children, what is the probabaility that 3 are girls and one is a boy

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3 years ago

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Ice cream cost $4.96 for 4 litres how much for 6 litres

aivan3 [116]

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3 years ago

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ollegr [7]

Answer: The probability that the project will be completed in 33 days or less is equal to<u> </u><u>0.73</u> .

Step-by-step explanation:

We assume that this is a normally distribution.

Given : The critical path length is 30 days .

i.e. Population mean = $\mu=30$

Variance : $\sigma^2=25$

Then, standard deviation : $\sigma=\sqrt{25}=5$

Z-score : $z=\dfrac{x-\mu}{\sigma}$

The value of z corresponding to 33 = $z=\dfrac{33-30}{5}=0.6$

Now, the p-value = $P(x\leq33)=P(z\leq0.6)=0.7257469\approx0.73$

Hence, the probability that the project will be completed in 33 days or less is equal to 0.73.

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