Question: AaBbCcD AaBbCcDc AaBbC AaBbCcD AaB AaBbCcD AaBbCcD AaBbCcD A T Normal T No Spac.... Heading 1 Heading 2 Title Subtle Em... Emphasis Subtitle Paragraph Styles

 AaBbCcD AaBbCcDc AaBbC AaBbCcD AaB AaBbCcD AaBbCcD AaBbCcD A T Normal

AaBbCcD AaBbCcDc AaBbC AaBbCcD AaB AaBbCcD AaBbCcD AaBbCcD A T Normal T No Spac.... Heading 1 Heading 2 Title Subtle Em... Emphasis Subtitle Paragraph Styles 1. The length of time for long-distance telephone calls from Malaysia to Thailand has a mean of 16 minutes and a standard deviation of 4 minutes. Suppose a sample of 35 telephone calls is used to reflect on the population of all long-distance calls. Calculate the chance that the average of the 35 telephone calls is between 17 and 18 minutes. (8 marks) I5

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