Tuesday

March 31, 2015

March 31, 2015

Posted by **Laura** on Sunday, January 3, 2010 at 4:41pm.

A.) exactly one fourth grader was assigned homework three or more times that week

B.) no fourth grader was assigned homework three or more times that week

C.) at least one fourth grader was assigned homework three or more tiems that week

- AP Statistics -
**bobpursley**, Sunday, January 3, 2010 at 4:49pma)

NNNNY

NNNYN

NNYNN

NYNNN

YNNNN

so, there are five ways to sort the fourth graders

Pr(one)=5*.71*.29^4=.0251 check that.

b)Pr(none)=.29^5

c) Pr(at least one)=1-Pr(none)

- AP Statistics -
**sally**, Friday, January 13, 2012 at 11:18amA. .0251

B. .0020

C. None

**Answer this Question**

**Related Questions**

math - 83 3rd graders 115 4th graders 150th graders all the 5th graders will be ...

math - Ok, the problem says: a Middle school has 125 6th graders, 150 7th ...

statistics - a mathematics professor wishes to analyze the relationship between ...

Math - There were 20 more fifth graders then fourth graders. 140 students from ...

math - The lunchroom workersare giving away free cookies today. They gave the ...

statistics - A school counselor tests the level of depression in fourth graders ...

statistics - A school counselor tests the level of depression in fourth graders ...

statistics - A school counselor tests the level of depression in fourth graders ...

Statistics - A school counselor tests the level of depression in fourth graders ...

Statistics - A school counselor tests the level of depression in fourth graders...