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german
4 years ago
7

A simple random sample of 30 students was selected from a normally distributed population of high

Mathematics
2 answers:
Fynjy0 [20]4 years ago
6 0

Answer:

90% confidence

99% confidence

95%confidence

Step-by-step explanation:

Then next is between 7.0 and 9.0 hours of sleep

Galina-37 [17]4 years ago
5 0

Answer:

Between 7.3 and 8.7 hours of sleep: 90% confindence level

Between 7.0 and 9.0 hours of sleep: 99% confindence level

Between 7.2 and 8.8 hours of sleep: 95% confindence level

Second Part: between 7.0 and 9.0 hours of sleep

Step-by-step explanation:

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