How much has the cable stretched problem
A tow truck is pulling a car out of a ditch by means of a steel cable (Y = 2.0 x 1011 N/m2) that is 8.87 m long and has a radius of 0.462 cm. When the car just begins to move, the tension in the cable is 886 N. How much has the cable stretched?
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We would like to find the probability of 34 or more successes using the normal distribution to approximate the binomial. Applying the continuity correction factor, what z-score should be used?
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