Saturday

March 28, 2015

March 28, 2015

Posted by **Misty** on Monday, October 15, 2012 at 11:19pm.

Percent of children depressed: 4.3%

1250= n

4.3/100= s/1250

53.75= sample mean

n=sample size

After, mid 2010:

Percent of children depressed: 5%

100= n

5/100= s/100

5= sample mean

n= sample size

Null hypothesis: p= 0.043

Alternative hypothesis: p> 0.043

q= 1-p= 1- .05= .95

z= (.05-.043)/ sq rt(.043*.95/1250)

z= 1.224

**Answer this Question**

**Related Questions**

Math Statistics - I need to find the critical value of what I have here so far, ...

math - jennifer brought a brand new sports car.the price was 14,900,including ...

maths - A town planner is using a map of a town centre with a scale of 1: 1250 A...

Math! - A store receive an invoice for $1773.75 dated January 23 with terms 3/10...

calculus help plz - a force of 1250 pounds compresses a spring 5 inches from its...

Math - Corey has take a job with an initial salary of $26,000 an annual raises ...

Math - A store receive an invoice for $1773.75 dated January 23 with terms 3/10...

College Math! - A store receive an invoice for $1773.75 dated January 23 with ...

Math! - A store receive an invoice for $1773.75 dated January 23 with terms 3/...

Math - Need to find equation for 1250=1200+4-375. Is this possible or impossible...