Compute the torsional shear stress in a hallow shaft
Compute the torsional shear stress in a hallow shaft with an outside diameter of 40 mm and an inside diameter of 30 mm when transmitting 28 kilowatts (kW) of power at a speed of 45 rad/s.
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Teletub Toys Ltd manufactures and distributes a popular children's' character to toy retailers. This product requires three kilograms of material to manufacture one unit.
Determine the null and alternative hypotheses, (b), explain what it would mean to make a type I error and (c) explain what it would mean to make a type II error.
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state the appropriate null and alternative hypotheses; Ho= , Ha= calculate the test statistic. c) calculate the corresponding p-value ( or range for the p-value)
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