(08.05 MC) A hairdresser owner gives a survey to all of her customers asking them to rate the quality of the service they received. She then keeps track of how many customers return to the salon during the next six months. Last year, the results showed that of the customers who reported high quality service, 95% returned. What conclusion can be drawn from this study?
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(08.03 LC) Lazar drives to work every day and passes two ind…
(08.03 LC) Lazar drives to work every day and passes two independently operated traffic lights. The probability that both lights are green is 0.41. The probability that the first light is green is 0.59. What is the probability that the second light is green, given that the first light is green?
(08.05 MC) A spa owner gives a survey to all of her customer…
(08.05 MC) A spa owner gives a survey to all of her customers asking them to rate the quality of the service they received. She then keeps track of how many customers return to the spa for additional services during the next six months. Last year, the results showed that of the customers who reported high quality service, 15% returned for additional services. What conclusion can be drawn from this study?
(Slope-Intercept Form MC)A student is measuring the length o…
(Slope-Intercept Form MC)A student is measuring the length of an icicle, y, every hour, x. The icicle is currently 13 inches long and is melting at a rate of 0.4 inches per hour. Find and interpret the slope for this relationship.
(Slope-Intercept Form MC)Which equation represents the graph…
(Slope-Intercept Form MC)Which equation represents the graph?
(Experimental Probability MC)An experiment is conducted with…
(Experimental Probability MC)An experiment is conducted with a bag of marbles containing 5 red and 2 blue marbles. The results of a marble being drawn twice and replaced 100 times are shown in the table. Outcome Frequency Red, Red 19 Red, Blue 32 Blue, Blue 21 Blue, Red 28 Find P(no red).
(Systems of Linear Equations MC)Which graph shows the soluti…
(Systems of Linear Equations MC)Which graph shows the solution to the system of linear equations?x + 2y = −8
(07.06 MC) What is the quotient (3×3 − x2 − x − 1) ÷ (x − 1…
(07.06 MC) What is the quotient (3×3 − x2 − x − 1) ÷ (x − 1)?
(05.07 HC) A manager is assessing the correlation between t…
(05.07 HC) A manager is assessing the correlation between the number of employees in a plant and the number of products produced yearly. The table shows the data: Number of employees(x) 0 50 100 150 200 250 300 350 400 Number of products(y) 100 1,100 2,100 3,100 4,100 5,100 6,100 7,100 8,100 Part A: Is there any correlation between the number of employees in the plant and the number of products produced yearly? Justify your answer. (4 points) Part B: Write a function that best fits the data. (3 points) Part C: What does the slope and y-intercept of the plot indicate? (3 points)
(08.07 MC) Which of the graphs below correctly solves for x…
(08.07 MC) Which of the graphs below correctly solves for x in the equation −x2 − 6x + 5 = 2x + 5?