Use the following information to complete parts |, ||, |||. 1 hour = 3,600 seconds

1 year = 31,556,952 seconds

Part |: you scientific notation to estimate the number of hours in one year.

Part ||: Use scientific notation to calculate the exact number of hours in one year.

Part |||: into or more complete sentences, compare your answers to parts | and ||. In your comparison, discuss similarities and differences in your answers.

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.