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The average adult gets 7 45 hours of sleep each night with a standard deviation...

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The average adult gets 7 45 hours of sleep each night with a standard deviation of 0 65 hours A pharmaceutical company developing a sleep aid is researching how much sleep the top 1 of adults get each night on average How many hours of sleep must an adult get each night to be in the top 1 if the company is only basing their initial research on the sleep habits of 30 adults Be sure to round to the nearest hundredth Use the z table below Z 0 00 0 01 0 02 0 03 0 04 0 05 0 06 0 07 0 08 0 09 1 8 0 964 0 965 0 966 0 966 0 967 0 968 0 969 0 969 0 970 0 971 1 9 0 971 0 972 0 973 0 973 0 974 0 974 0 975 0 976 0 976 0 977 2 0 0 977 0 978 0 978 0 979 0 979 0 980 0 980 0 981 0 981 0 982 2 1 0 982 0 983 0 983 0 983 0 984 0 984 0 985 0 985 0 985 0 986 2 2 0 986 0 986 0 987 0 987 0 987 0 988 0 988 0 988 0 989 0 989 2 3 0 989 0 990 0 990 0 990 0 990 0 991 0 991 0 991 0 991 0 992 2 4 0 992 0 992 0 992 0 992 0 993 0 993 0 993 0 993 0 993 0 994 2 5 0 994 0 994 0 994 0 994 0 994 0 995 0 995 0 995 0 995 0 995 Round the z score o and to two decimal places Sorry that s incorrect Try again z score 2 33

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