shortyyashaun
12.03.2021 •
Advanced Placement (AP)
Four jewelry stores are selling the same
identical pairs of earrings.
Store A: Original price $75 at 20% off during sale
Store B: Original price $100 at 35% off during sale
Store C: Original price $70 at 10% off during sale
Store D: Original price $95 at 30% off during sale
Which store has the least sale price for the pair of earrings?
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Ответ:
Store A has the least sale price.
Explanation:
Sales price of Store A = $75 - 20%
Sales price of Store A = $60
Sales price of Store B = $100 - 35%
Sales price of Store B = $65
Sales price of Store C = $70 - 10%
Sales price of Store C = $63
Sales price of Store D = $95 - 30%
Sales price of Store D = $66.5
Store A has the least sale price.
Ответ:
Concluding that people do not drive over the posted speed limit when they actually do
Explanation:
H0 : μ = 55
H1 : μ > 55
The two tyoes of error when testing for statistical significance could be TYPE 1 and TYPE 2 error.
Type 1 error occurs when the Null hypothesis is incorrectly rejected while type 2 error results when the Null value is accepted when it is False.
Therefore, a type 2 error will result if we conclude from the test that people do not drive above the posted limit when in actual sense, people do drive above this limit. With a type 2 error, the null. Hypothesis which ought to be rejected is incorrectly not rejected.