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igomit [66]
3 years ago
13

A single card is drawn from a standard 52 card deck.

Mathematics
1 answer:
Tju [1.3M]3 years ago
3 0

Answer: \dfrac{1}{4}

Step-by-step explanation:

A standard 52 card deck includes spades, clubs, hearts, and diamonds.

13 card of each category is present

So, there are 13 spades present in the deck

Probability is the ratio of favorable to the total outcomes.

\therefore P=\dfrac{13}{52}\\\\\Rightarrow P=\dfrac{1}{4}

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YThe Pew Research Center conducted a survey of 1007 adults and found that 85% of them know what Twitter is. Find a 90% confidenc
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Answer:

The 90% confidence interval is   0.8315 <  p < 0.8685

Step-by-step explanation:

From the question we are told that

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Generally from the normal distribution table the critical value  of  \frac{\alpha }{2} is  

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