1. It is important to the Wrigley Company to have a certain number of certain flavours in each skittles bag. Recently, there has been complaints that the number of green shells is much lower than any other colour on average. A data analyst working for the company decides to test this. She selects7 packs of skittles and counts the number of green skittles in each. She finds that there are a mean number of 5 green skittles in each pack, with a standard deviation of 2.3. What is the standard deviation of the sampling distribution for the sample mean?

Note:

1- Round any intermediate numbers to 4 decimal places. 2- Round your final answer to 3 decimal places. Enter your final answer with 3 decimal places. 3- When the standard deviation cannot be calculated, standard error is created in its place.

2. According to recent studies, cholesterol levels in healthy adults average about 215 mg/dL with a standard deviation of about 29 mg/dL and are roughly normally distributed. Suppose we collect a random sample of 43 healthy adults and measure their cholesterol level. What is the standard deviation of the distribution of sample average (sampe size 43)?

Note:

1- Round any intermediate numbers to 3 decimal places. 2- Round your final answer to 3 decimal places. Enter your final answer with 3 decimal places.