math 4quiz

Question 1

	An experiment consists of determining a person's blood type (A, B, AB, O) and Rh-factor (positive or negative). Write the sample space for this experiment.
	Selected Answer: c. A+, A-, B+, B-, O+, O-

• Question 2

  2 out of 2 points

  	Determine which of the following numbers could not represent the probability of an event. 0 , 0.0001 , -1 , 50% , ,
  	Selected Answer: c. -1 and 45/31

   

• Question 3

  0 out of 2 points

  	According to company records, the probability that a washing machine will need repairs during a six-year period is 0.10. What type of probability is this?
  	Selected Answer: c. Subjective

   

• Question 4

  0 out of 2 points

  	Determine whether the statement is true or false.   You flip a fair coin nine times and it lands tails up each time. The probability it will land heads up on the tenth flip is greater than 0.5.
  	Selected Answer: True

   

• Question 5

  2 out of 2 points

  	If an event has a probability of 0.85, then its complement has a probability of 0.15.
  	Selected Answer: True

   

• Question 6

  0 out of 2 points

  	Consider a company that selects employees for random drug tests. The company uses a computer to randomly select employee numbers that range from 1 to 6000.   The probability that the computer selects a number less than 1000 is [x1]. Put answer in the box. Round answer to the nearest thousandth and put a 0 before the decimal, such as 0.156.
  	Specified Answer for: x1 [None Given]

   

• Question 7

  0 out of 2 points

  	An experiment consists of tossing a fair coin and spinning the spinner below.     The probability of getting a heads and the spinner landing on Green is [x1]. Write the answer in reduced fraction form and use a " / " for the fraction bar.
  	Specified Answer for: x1 green

   

• Question 8

  0 out of 2 points

  	The bar graph below shows the highest level of education received by employees of a company. Find the probability that the highest level of education for an employee chosen at random is an Associate degree. Fill in the blank with probability rounded to the nearest thousandth (3 places to the right of the decimal) and with a 0 before the decimal point, such as 0.156. [x1]
  	Specified Answer for: x1 [None Given]

   

• Question 9

  0 out of 2 points

  	If you randomly select a card from a standard deck of cards, the probability that the card is a face card is [x1]. Write your answer in the box in reduced fraction form, with the " / " used as the fraction bar.
  	Specified Answer for: x1 [None Given]

   

• Question 10

  0 out of 2 points

  	In the experiment of tossing two dice and recording the numbers on the top face, there are 36 possible outcomes.  What is the probability that the sum of the numbers is less than 10? Write your answer in the box rounded to the nearest thousandth, with a 0 before the decimal point, such as 0.126. [x1] What type of probability is this, classical (theoretical) or empirical (experimental)? [x2]