Mathematics, 24.11.2020 23:40 jacquelineS4232
Solve the problem
A radio station claims that the amount of advertising per hour of broadcast time has an average of 15 minutes
and a standard deviation equal to 1.6 minutes. You listen to the radio station for 1 hour, at a randomly selected
time, and carefully observe that the amount of advertising time is equal to 8 minutes. Calculate the Z-score for
this amount of advertising time.
Select one:
A. 0.43
B.-4.37
C.-11.2
OD. 4.38
Answers: 1
Another question on Mathematics
Mathematics, 20.06.2019 18:04
4+6x-3x^3 in standard form with explanations because i don’t understand
Answers: 1
Mathematics, 21.06.2019 18:00
Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?
Answers: 2
Mathematics, 22.06.2019 00:00
Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never
Answers: 1
You know the right answer?
Solve the problem
A radio station claims that the amount of advertising per hour of broadcast time...
Questions
Mathematics, 25.02.2020 04:01
History, 25.02.2020 04:01
History, 25.02.2020 04:01
Mathematics, 25.02.2020 04:01
