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A local pizza company is interested in estimating the percentage of customers who would take advantage of a coupon offer. To do this, they give the coupon out to a random sample of 100 customers. Of these, 45 actually use the coupon. Based on a 95 percent confidence level, the upper and lower confidence interval limits are approximately 0.3525 to 0.5475.
Held In Place
A phrase describing how an object is secured or maintained in its specific position or location.
Static Friction
The frictional force that must be overcome to start moving an object at rest relative to another surface, preventing motion until a certain threshold force is applied.
Drum Brake System
An older style of brake system where brake shoes press outward against a rotating drum attached to the wheel, slowing the vehicle by friction.
Hygroscopic
A property of substances to absorb moisture from the air.
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