Answer to Question #335755 in Statistics and Probability for loe

Question

1.    Stephen has found out that the average weight of packed gummy candies selected from a normally distributed population is 200g with a standard deviation of 8g. Find the point and the interval estimates of all gummy candies, using a 95% confidence level.

N value is 25

2.    In an interview held among 18 randomly selected elementary teachers of a certain school, the mean salary was found to be Php21000 with a standard deviation of Php3000. Use 95% confidence to estimate the population mean where the sample came from.

Answer 1

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