Maurice Tutor

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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 19 Sep 2017 My Price 4.00

Honolulu USA

Longevity: Honolulu USA Today reported that the state with the longest mean life span is Hawaii, where the population mean life span is 77 years. A random sample of 20 obituary notices in the Honolulu Advertizergave the following information about life span (in years) of Honolulu residents:

72

68

81

93

56

19

78

94

83

84

77

69

85

97

75

71

86

47

66

27

i. Use a calculator with mean and standard deviation keys to verify that  width=years and s ≈ 20.65years.

ii. Assuming that life span in Honolulu is approximately normally distributed, does this information indicate that the population mean life span for Honolulu residents is less than 77 years? Use a 5% level of significance.

Answers

Maurice Tutor
(5)
Status NEW Posted 19 Sep 2017 09:09 AM My Price 4.00

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