Page 1 of 1
Assume that 20.5% of all cars in South Africa are silver in colour. Let P be the sample proportion of silver cars in a r
Posted: Sun Oct 03, 2021 3:38 pm
by answerhappygod
- Assume That 20 5 Of All Cars In South Africa Are Silver In Colour Let P Be The Sample Proportion Of Silver Cars In A R 1 (40.19 KiB) Viewed 122 times
Assume that 20.5% of all cars in South Africa are silver in colour. Let P be the sample proportion of silver cars in a random sample of 1000 cars. (a) Find the mean and standard deviation of p. (6) (b) What is the probability that the sample proportion is more than 25%? (6) (c) What is the probability that the sample proportion is within 1% of the true population pro- portion? (8) [20]