In a survey sample of 83 respondents, the mean number of hours worked per week is 39.04, with a standard deviation of 11.51. The sample size is 83. Estimate the value of the standard error.

Six possibilities are equally likely and have payoffs of $2, $4, $6, $8, $10, and $12. the expected value is:

What is the probability of picking an "m" in the word alabama?

Twenty different statistics students are randomly selected. for each of them, their body temperature (degrees c) is measured and their head circumference (cm) is measured.

5. Ricky invested $1000 in an account at 8% interest compounded quarterly. How much money will he have earned on the account after 7 years? A. $1,741.02 B. $1,713.82 c. $713.82 D. $741.02

They're usually 365 days in each year every 4th year is call a leap year and has one extra day in February how many days are there in 8 years if 2 of the years are leap years

Evaluate 4 squared times 3 to the power of 3

There are 16 books on a shelf. 7 of these books are new. (a) What is the ratio of new books to used books? (b) What is the ratio of all books to used books?

Mrs. Hernandez bought 18 pens for her class. Highlighters cost $3 each, and gel pens cost $2.50 each. She spent a total of $50. Use a system of equations to find the number of highlighters and gel pens Mrs. Hernandez bought.

What's the circumference if d=17?

Which of the following results in the expression 0.22 ⋅ 86? 22 of 86% 22% of 86 86% of 0.22 0.86 of 22%