A company has historical reasons to believe that 30% their customers will return to buy a second item. They colled a random sample of 250 recent orders an calculated the percentage who bought a second item. They hope that the percentage has increased due to a recent advertising campaign . HELP ASAP

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“ a line segment that has the endpoints on the circle and passes through the midpoint is called the diameter. the diameter is twice the size of the radius. a line segment that has its endpoints on the circular border but does not pass through the midpoint is called a chord. a circle is the same as 360 small circle up the number 0 . i hope this .