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LuckyWell [14K]
3 years ago
11

You roll a number cube one time. What is the probability of not rolling a 8 or a 10?

Mathematics
1 answer:
liq [111]3 years ago
3 0

Answer: 80% or 4/5

Step-by-step explanation:

so I don’t know how many numbers there are on this cube (a standard number cube has #1-6) but I’m going to go with 10 numbers (don’t know how this is possible but anyway-). I’ll edit my answer if needed.

10 numbers

10 (numbers) - 2 (#8 and #10) = 8 (possible numbers)

so 8/10 or 80%

reduced fraction: 4/5

percentage: 80%

fraction: 8/10

*will edit if needed

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Which best explains whether a triangle with side lengths 2 in., 5in., and 4in. is an acute triangle?
Amiraneli [1.4K]
Yes,  I would say so, or a right triangle.
7 0
3 years ago
If 8 girls brought a lunch box and 6 boys didnt what is the probability of a student bringing one.
Tatiana [17]

Answer:

43 percent

Step-by-step explanation:

6/14 ×100%

=0.248

=43%

first add up the total people, then substract the total of people to the people that didn't bring them, divide them then multiply it by 100%

3 0
3 years ago
Describe the sampling of p hat. Assume that the size of the population is 25000 n= 300 p=0.7
katrin [286]

The mean of the given sample data is 210, and the standard deviation is 7.937.

Given size 'n' = 300

The population proportion 'p' = 0.7

Let 'x' be the random variable of the binomial distribution

a)  mean of the binomial distribution  = n p = 300 × 0.7

                                                              μ  = 210

b)  variance of the binomial distribution

⇒ n p q

⇒ 300 × 0.7 ×0.3

⇒ σ² = 63

The standard deviation of the binomial distribution:

⇒ √n p q = √63 = 7.937

Thus, the mean of the given sample data is 210, and the standard deviation is 7.937.

Learn more about the standard deviation here:

brainly.com/question/16555520

#SPJ1

The question seems to be incomplete the correct question would be:

describe the sampling of p hat. Assume that the size of the population is 25000 n= 300 p=0.7 a) Determine the mean of the sampling distributionb) Dtermine the standard deviation of the sampling distribution

3 0
1 year ago
I need help on this
Marina CMI [18]

I think it's answer choice a

3 0
3 years ago
Read 2 more answers
8 3/ 4 as a decimal.
dem82 [27]
Your answer is 8.25 hope this help also remember to hit that brainliest button

4 0
3 years ago
Read 2 more answers
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