Mathematics, 12.03.2020 05:41 maddie6610
A market researcher for a provider of music player accessories wants to know the proportion of customers who own cars to assess the market for a new car charger. A survey of 600 customers indicates that 73% own cars. a) What is the estimated standard deviation of the sampling distribution of the proportion? b) How large would the estimated standard deviation have been if he had surveyed only 150 customers (assuming the proportion is about thesame)?
Answers: 2
Mathematics, 21.06.2019 20:30, sterlingrobinson35
Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp
Answers: 1
Mathematics, 21.06.2019 22:00, 24lbriscoe
Astudent has created the give circuit diagram. it consists of a battery, a resistor, and a light bulb. in one minute, 1.2c of charge flows through the resistor. how much charge flows through the light bulb in one minute?
Answers: 1
Mathematics, 22.06.2019 00:10, Anaaguayo7406
Change negative exponents to positive, then solve
Answers: 1
A market researcher for a provider of music player accessories wants to know the proportion of custo...
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