Mathematics, 02.04.2020 06:23 rireneb
1. A study of 40 English professors showed that they spend, on average, 12.6 minutes correcting
a student's term paper. The standard deviation was 2.5 minutes. Construct the 90% confidence
interval of the mean for all term papers.
2. A recent study of 25 students showed that they spent on average of $18.35 for gasoline per
week. The standard deviation of the sample was $3.00. Construct the 95% confidence interval of
the population mean.
3. A recent study of 100 people in Miami found that 27 were obese.
a) Find the point estimate.
b) Verify that the requirements for constructing a confidence interval for p are satisfied.
c) Construct a 90% confidence interval of the population proportion of individuals in Miami who
are obese.
Answers: 3
Mathematics, 21.06.2019 16:50
Its worth 10000000 points need asap if you answer correctly ill mark brainliest
Answers: 1
Mathematics, 21.06.2019 19:30
Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?
Answers: 1
Mathematics, 21.06.2019 20:00
Write each of the following numerals in base 10. for base twelve, t and e represent the face values ten and eleven, respectively. 114 base 5 89t base 12
Answers: 1
1. A study of 40 English professors showed that they spend, on average, 12.6 minutes correcting
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