Posted by **Julio** on Wednesday, June 6, 2012 at 9:57am.

In a random sample of 50 babies 4 to 7 month old the average number of hours they slept per day turned out to be 14.2 hours with a standard deviation of 1.6 hours find and interpret a 90% confidence interval for the mean number of hours slept by babies at this age

## Answer this Question

## Related Questions

- statistics - In a random sample of 50 babies 4 to 7 month old the average number...
- statistics - A 4 to 7 month old baby sleeps an average of 14 hours per day. At ...
- statistics - A 4 to 7 month old baby sleeps an average of 14 hours per day. At ...
- Statistics - For the manufacturing plant discussed in Exercise 8.10, the union ...
- Statistics - For the manufacturing plant discussed in Exercise 8.10, the union ...
- Statistics - 8.11) For the manufacturing plant discussed in Exercise 8.10, the ...
- AP Statistics - A school psychologist reports that the mean number of hours the ...
- statistics - To determine how many hours per week freshmen college students ...
- statistics - A company that manufacturers bookcases finds that the average time ...
- Statistics - The American Academy of Pediatrics (AAP) recommends that kids 2-5 ...

More Related Questions