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Lock Combinations

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Advertisement by Titan Padlock Company

Letter to Titan Padlock Company by a High School Student

Letter from Titan Padlock Company to a High School Student

Consider each of the following statements. Does the information in the emails support the inference as stated? Choose Yes if the statement can be accurately inferred; otherwise choose No.

Yes

No

Yes

No

If the tolerance is two number units as the student suggests, then there would be one-fifth as many possible combinations.

Yes

No

Titan Padlock Company takes full responsibility for the decreased tolerance that was observed by the high school student.

Yes

No

If the padlocks as advertised by the company had a three number combination in which no number could be used twice in a single combination, the advertised number of possible combinations would be reduced by at least 2%.