Mathematics, 10.08.2021 03:00 cristal2000amber

A ping pong robot performed 20 throws with the mean speed of 24.2 m/s and its standard deviation of 1.3 m/s. The standard speed for an exercising player is 20 m/s, the player is able to take the ball if its speed is no more than 25 m/s. At what level of significance we can claim that this robot is suitable for this player? Assume that the speed of balls is normally distributed. a. 0.01.
b. 0.005.
c. 0.0025.
d. 0.0010.

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A ping pong robot performed 20 throws with the mean speed of 24.2 m/s and its standard deviation of...