bvolleyball9
24.04.2020 •
Mathematics
The average greyhound can reach a top speed of 18.6 meters per second. A particular greyhound breeder claims her dogs are faster than the average greyhound. A sample of 45 of her dogs ran, on average, 19.0 meters per second with a population standard deviation of 1.4 meters per second. With α = 0.05, is her claim correct?
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Ответ:
Interest per year = 1.5% = 0.015
Investment amount after 2 years
Interest amount = 12000 x (1+ 0.015)² = 12000 x (1.015)² = 12000 x 1.030225 = £12,362.7