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rusak2 [61]
3 years ago
5

What does a number c is no less than -1.5 looks like?

Mathematics
2 answers:
postnew [5]3 years ago
5 0

C \geq -1.5

The symbol means it's either greater then or equal to it, but never less then.

Iteru [2.4K]3 years ago
4 0

Answer:

C > -1.5

Step-by-step explanation:

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X + y = 5 2x - y = -3
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c. No solutions

Step-by-step explanation:

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What's the measure of X
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180-25-85= 70°

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3 years ago
70% of the students applying to a university are accepted. Assume the requirements for a binomial experiment are satisfied for 1
marshall27 [118]

Answer:

a) 0.3826

b) 0.9894

Step-by-step explanation:

We are given the following information:

We treat students accepted at university as a success.

P(students accepted at university) = 70% = 0.70

Then the number of students accepted at university follows a binomial distribution, where

P(X=x) = \binom{n}{x}.p^x.(1-p)^{n-x}

where n is the total number of observations, x is the number of success, p is the probability of success.

Now, we are given n = 10

a) P( 8 or more will be accepted)

P(x \geq 8) = P(x = 8) + P(x = 9) + P(X=10)\\\\= \binom{10}{8}(0.7)^8(1-0.7)^2 +  \binom{10}{9}(0.7)^9(1-0.7)^1+ \binom{10}{10}(0.7)^{10}(1-0.7)^0\\\\= 0.2334 + 0.1210 + 0.0282\\= 0.3826

b) P(4 or more will be accepted)

P(x \geq 4) =1 - P(x = 0) - P(x = 1) - P(X=2)-P(x=3)\\\\=1 - ( \binom{10}{0}(0.7)^0(1-0.7)^{10} +  \binom{10}{1}(0.7)^1(1-0.7)^9+ \binom{10}{2}(0.7)^{2}(1-0.7)^8+ \binom{10}{3}(0.7)^{3}(1-0.7)^7 )\\\\= 1 - 0.0106\\= 0.9894

6 0
3 years ago
Luke shaded 20 squares on his hundreds grid Bella shaded 30 squares on her grid what two decimals are greater than Luke's decima
DanielleElmas [232]
I think it could be any 2 in between because it says greater than Luke's decimal which is .20 and less than Bekkas decimal which is .30
5 0
3 years ago
Read 2 more answers
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