Ashikisplanningtoproposetoagirlhehasacrushoninagrandway.Hehas decided to create an animation movie, conveying his love to his crush and he needs to estimate the total production time (labor-hours necessary) to produce the movie. Since he is so rich, he wants to use multiple big screens to project the movie and the mean production time for a random sample of 14 big-screen animated movie is found to be 53,500 labor-hours. Suppose that Ashik has managed to find out that the population standard deviation is 7462 labor-hours and the distribution of the production time is normal. 10 a. Construct a 98% confidence interval for the mean production time to produce a big-screen animated movie

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