Due Sunday by 11:59pm Points 14 Submitting an external tool Chapter 8 Confidence Intervals (Mean) Progress saved Done Score: 0/14 0/14 answered Question 5 You measure 48 watermelons' weights, and find they have a mean weight of 79 ounces. Assume the population standard deviation is 2.5 ounces. Based on this, what is the maximal margin of error associated with a 99% confidence interval for the true population mean watermelon weight. Give your answer as a decimal, to two places ounces Question Help: Message instructor Submit Question O 2Rain. 10 prt sc delete 8 9 144 % & 5 8 9com/courses/26867/assignments/742918?module_item_id-2191132 Due Sunday by 11.57pm Points 14 submitting an external LOOT Chapter 8 Confidence Intervals (Mean) Progress saved Done Score: 0/14 0/14 answered Question 6 0/1 pt In a survey, 20 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $48.1 and standard deviation of $13.1. Estimate how much a typical parent would spend on their child's birthday gift (use a 80% confidence level). Give your answers to 3 decimal places. Express your answer in the format of T _ E. Question Help: Message instructor Submit Question O 2 Rain.. hp prt sc delete 9 10 DDI 172 8 141 6 backsoace & 8 9 5Due Sunday by 11:59pm Points 14 Submitting an external tool Chapter 8 Confidence Intervals (Mean) Progress saved Done Score: 0/14 0/14 answered Question 4 0/1 pt A botanist wishes to estimate the typical number of seeds for a certain fruit. She samples 75 specimens and counts the number of seeds in each. Use her sample results (mean - 84.2, standard deviation = 10.8) to find the 98% confidence interval for the number of seeds for the species. Enter your answer as an open- interval (i.e., parentheses) accurate to 3 decimal places. 98% C.I. - Question Help: Message instructor Submit Question O Ci 1 0 5 29Rain... nsort sc delete home f7 f8 6 0 + 144 10 DDI 12 & backspace 6 8 Y U O P