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3 years ago

Someone please help!! I am horrible at trig!!!!!

Mathematics

1 answer:

Liula [17]3 years ago

3 0

Answer:

Step-by-step explanation:

I hope it helps

A^2 + B^2 = C^2

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3 years ago

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kolbaska11 [484]

Answer:

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3 years ago

Please help me guys : please please.You put a yam in the oven after 45 minutes you take it out let f (t ) be the temperature of

Westkost [7]

A]. f(0)=65 means that when you placed the yam in oven the yams temp was 65 degrees Fahrenheit

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3 years ago

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frutty [35]

Answer:

Step-by-step explanation:

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4 years ago

Nts) in a certain population of voters, 72% of them plan to vote in favor of a new

Ganezh [65]

Answer:

Probability that 10 of them plan to vote against this piece of proposed legislation is 0.0701 or 7.01 %.

Step-by-step explanation:

Consider the event of voting against the piece as success, 'p'. So, voting in favor of the piece is failure and denoted by 'q'.

Given:

Sample size is, $n=25$

Probability of failure is, $q=72\%=0.72$

Therefore, probability of success is, $p=1-q=1-0.72=0.28$

Number of successes is, $x=10$

Now, from Bernoulli's distribution, probability of $x$ successes out of $n$ samples is given as:

$P(X=x)=_{n}^{x}\textrm{C}p^xq^{n-x}$

Here, $n=25,x=10,p=0.28,q=0.72$ . Therefore,

$P(X=10)=_{25}^{10}\textrm{C}(0.28)^{10}(0.72)^{25-10}\\P(X=10)=_{25}^{10}\textrm{C}(0.28)^{10}(0.72)^{15}\\P(X=10)=3.269\times 10^{6}\times 2.962\times 10^{-6}\times 7.244\times 10^{-3}\\P(X=10)=70.142\times 10^{-3}=0.0701=7.01\%$

Therefore, probability that 10 of them plan to vote against this piece of proposed legislation is 0.0701 or 7.01 %.

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3 years ago