Construct interval estimate for the average time of 12 athletes from the CALABARZON team in finishing a 100-meter sprint in 98 seconds with standard deviation of 1.5 seconds. Find the 99% confidence interval for the mean time of CALABARZON team athletes for them to finished a 100-meter sprint. Interpret your answer. Please provide it neatly with indicated given, formula, solution, and answer with interpretation

You measure 34 watermelons' weights, and find they have a mean weight of 59 ounces. Assume the population standard deviation is 13 ounces. Based on this, construct a 90% confidence interval for the true population mean watermelon weight. Give your answers as decimals, to two places ounces

In Arkansas, bass fish were collected in 30 different lakes to measure the amount of mercury in the fish. The mean amount of mercury was = 0.6443 with standard deviation s = 0.3606. Estimate the mean amount of mercury in fish in Arkansas lakes using a 95% confidence level. Round your answers to three decimal places, and use four decimal places for any interim calculations. With 95 % confidence, it can said that the true mean amount of mercury in fish in Arkansas lakes is between 0.502 x and 0.786 X Hint: Make sure you round your answer to three decimal places.

You measure 24 backpacks' weights, and find they have a mean weight of 34 ounces. Assume the population standard deviation is 10 ounces. Based on this, construct a 90% confidence interval for the true population mean backpack weight. Give your answers as decimals, to two places ounces

We randomly sample 600 people in a specific town. 342 of them like cats. Based on this, construct a 95% confidence interval for the true population proportion of people in this town who like cats. Give your answers as decimals, rounded to four places.

During the 2016 season, Lauren Robinson had 92 at bats and made 36 hits. Calculate a 95% confidence interval for her ABILITY to get hits in that season.