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3 years ago

Hey can you please help me posted picture of question

Mathematics

2 answers:

frutty [35]3 years ago

6 0

The answer is C and E

nexus9112 [7]3 years ago

5 0

X = (5+-sqrt(21))/2

so the solutions are C and E

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1 year ago

Probability.

swat32

Answer: 0.0386

Step-by-step explanation:

Given: The probability hat the frozen chickens contain enough salmonella bacteria to cause illness if improperly cooked : p= 0.30

Sample size : n = 12

Let x = Number of contaminated chickens

Here , two outcomes for any chicken (either contaminated or not) , so it follows binomial distribution.

Binomial probability formula:

$P(X=x) = \ ^nC_x p^x(1-p)^{n-x}$

The probability that the consumer will have more than 6 contaminated chickens :-

$P(X>6)=P(X=7)+P(X=8)+P(X=9)+P(X=10)+P(X=11)+P(X=12)\\\\=^{12}C_6(0.3)^6(0.7)^6+^{12}C_7(0.3)^7(0.7)^5+^{12}C_8(0.3)^8(0.7)^4+^{12}C_9(0.3)^9(0.7)^3+^{12}C_{10}(0.3)^{10}(0.7)^2+^{12}C_{11}(0.3)^{11}(0.7)^1+^{12}C_0(0.3)^{12}(0.7)^0$

$=0.03860084306\approx0.0386$ (simplified)

Hence, the required probability = 0.0386

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3 years ago

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Answer:

I went to the zoo the other day, there was no animals except for a dog!

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2 years ago

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3 years ago

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3 years ago

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