one par were involved in a car drivers are randomly selected, what probability of getting 3 or more who were involved in a car accident last year? A) 0.393 C) 0.094 B) 0.604 D) 0.906 12) The...

one par<br>were involved in a car<br>drivers are randomly selected, what<br>probability of getting 3 or more who were<br>involved in a car accident last year?<br>A) 0.393<br>C) 0.094<br>B) 0.604<br>D) 0.906<br>12) The probability that a house in an urban area will<br>develop a leak is 5%. If 20 houses are randomly<br>selected, what is the mean of the number of houses<br>that developed leaks? (Special formula)<br>B) 1.5<br>A) 0.5<br>C) 1<br>D) 2<br>13) A quiz consists of 620 true or false questions. If the<br>student guesses on each question, what is the<br>standard deviation of the number of correct<br>answers, approximatelly? (Special formula)<br>A) 17.6068169<br>C) 12.4498996<br>B) 2<br>D) 0<br>1<br>

Extracted text: one par were involved in a car drivers are randomly selected, what probability of getting 3 or more who were involved in a car accident last year? A) 0.393 C) 0.094 B) 0.604 D) 0.906 12) The probability that a house in an urban area will develop a leak is 5%. If 20 houses are randomly selected, what is the mean of the number of houses that developed leaks? (Special formula) B) 1.5 A) 0.5 C) 1 D) 2 13) A quiz consists of 620 true or false questions. If the student guesses on each question, what is the standard deviation of the number of correct answers, approximatelly? (Special formula) A) 17.6068169 C) 12.4498996 B) 2 D) 0 1

Jun 01, 2022

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one par were involved in a car drivers are randomly selected, what probability of getting 3 or more who were involved in a car accident last year? A) 0.393 C) 0.094 B) 0.604 D) 0.906 12) The...

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