A paint manufacturer made a modification to a paint to speed up its drying time. Independent simple random samples of…

A paint manufacturer made a modification to a paint to speed up its drying time. Independent simple random samples of 11 cans of type A (the original paint) and 9 cans of type B (the modified paint) were selected and applied to similar surfaces. The drying times, in hours, were recorded.The summary statistics are as follows.Type A                                   Type Bx1 = 76.3 hrs                       x2 = 65.1 hrss1 = 4.5 hrs                          s2 = 5.1 hrsn1 = 11                                  n2 = 9The following 98% confidence interval was obtained for μ1 – μ2, the difference between the mean drying time for paint cans of type A and the mean drying time for paint cans of type B:4.90 hrs < μ1 - μ2 < 17.50 hrsWhat does the confidence interval suggest about the population means?Select one:

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