A high school counselor, Engineering Mathematics

Assignment Help:

A high school counselor needs to specify whether the teenage pregnancy rate at her school is disimilar from the rate nationwide. She knows that the rate nationwide is 15 %. She randomly selects 80 female students from her high school.  She serach that 9 out of 80 students are either pregnant now or have been pregnant lastly.

a.    What statistical test should be used to examine the data? The z test should be used to examine the data.

b.    Identify H0 and Ha for this study
Ho: p = 0.15
Ha: p not equal 0.15

c.    Conduct the appropriate analysis
z= (phat - p) /sqrt(p*(1-p)/N)
z=(9/80 - 0.15)/sqrt(0.15*0.85/80)
z= -0.933933

d.    Should H0 be devorted? What should the researcher conclude? The Ho can not be rejected or the null hypothesis is not rejected.


Related Discussions:- A high school counselor

Perform arithmetic computation, a.) Give a short sequence of machine instru...

a.) Give a short sequence of machine instructions for the task " Add the contents of memory location A to those of memory location B, and place the answer in location C ". You have

Christian maturity level , A researcher is interested in comparing the Chri...

A researcher is interested in comparing the Christian maturity level of students who volunteer for community service versus those who do not. The researcher suppose that those who

Estimate the time constant and maximum vertical acceleration, The vertical ...

The vertical motion of a general aviation airplane subjected to a sharp-edged wind gust is described by the equation Δw(t) = A g (1-e -t/τ ) assume A g = 30 where Δ w is in

11, y''(x)=2*10^-6*y(x)(100000-y(x))

y''(x)=2*10^-6*y(x)(100000-y(x))

Describe basic fourier theory, An experiment conducted over time T necessar...

An experiment conducted over time T necessarily produces a windowed view of the phenomenon generating the data. It is a useful strategy to regard the windowed data as one period of

MUPAD, I have some work in Mupad i need doing. Its on Diff equations. Canb ...

I have some work in Mupad i need doing. Its on Diff equations. Canb you guys help?

Lean manufacturing, Ask quassignment writing estion #Minimum 100 words acce...

Ask quassignment writing estion #Minimum 100 words accepted#

Database management system, outline the three schema database architecture ...

outline the three schema database architecture clearly explaining each level and how the user view the information

MEAN VALUE THEORM, APPLICATIONS OF LAGRANGE''S MEAN VALUE THEORM?

APPLICATIONS OF LAGRANGE''S MEAN VALUE THEORM?

Hypothesis testing, A scientist calculates the temperature of melting plati...

A scientist calculates the temperature of melting platinum using a new type of thermometer. The temperature of the metal is called to be exactly 1768.3 centigrade. The measurements

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd