3 years ago

A number cube is rolled twice . What is the probability of getting a 6 on the first roll

Mathematics

1 answer:

Taya2010 [7]3 years ago

8 0

Answer:

1/6 or 0.1666666667%

Step-by-step explanation:

The probability of getting a 6 would be 1/6. There are 5 other sides the die could land on.

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2 years ago

Janelle buys 4 cases of water , each case of water contains 12 bottles, janelle drinks 3 bottles of water, what expression repre

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An analyst from an energy research institute in California wishes to precisely estimate a 99% confidence interval of the average

Lena [83]

Answer:

190

Step-by-step explanation:

Data provided in the question:

Confidence level = 99%

Therefore,

α = 1% = 0.01

[ from standard normal table ]

z-value for $z_{\frac{\alpha}{2}}= z_{\frac{0.01}{2}}=$ = 2.58

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Now,

n = $(\frac{z_{0.005}\sigma}{E})^2$

Here,

n is the sample size (or the minimum number of gas stations )

on substituting the respective values, we get

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Hence,

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ki77a [65]

Answer:

2. proven 3.Given 4.Given

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