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(c) Construct and interpret a 95% confidence interval for the mean age at which a baby first crawls. Select the correct choice below and fill
(c) Construct and interpret a 95% confidence interval for the mean age at which a baby first crawls. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to one decimal place as needed. Use ascending order.) O A. There is a 95% probability that the mean age at which a baby first crawls is between weeks and weeks. O B. We are 95% confident that the mean age at which a baby first crawls is between weeks and weeks.The data shown below represent the age (in weeks) at which babies first crawl, based on a survey of 12 mothers. Complete parts (a) through (c) below. 52 30 44 35 0 47 37 56 26 47 30 28 30(a) Draw a normal probability plot to determine if it is reasonable to conclude the data come from a population that is normally distributed. Choose the correct answer below. O A. O B. O C. O D. + + N N Expected z-score Expected z-score Expected z-score Expected z-score N -2- NO -2- 20 30 40 50 60 20 30 40 50 60 20 30 40 50 60 20 30 40 50 60 Age (in weeks) Age (in weeks) Age (in weeks) Age (in weeks)
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