Grade 11 and 12 Mathematics

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Mathematics Clinic
Grade 11 and 12 Mathematics (Moderator: geoffrey)

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In a hypothesis test the decision was made to not reject the null hypothesis. Which type of mistake ... Started by gbarreiro	3 Replies 364 Views	Jul 24, 2018 by juicepod
If, in a hypothesis test, the null hypothesis is actually true, which type of mistake can be made? ... Started by sdfghj	1 Replies 189 Views	Jul 24, 2018 by cuttiesgirl16
In an American criminal trial, the null hypothesis is that the defendant is innocent and the ... Started by serike	1 Replies 228 Views	Jul 24, 2018 by Mollythedog
Explain what the statement of the null hypothesis represents in hypothesis testing. Give an ... Started by wrbasek0	1 Replies 915 Views	Jul 24, 2018 by Eunice618
Explain what the statement of the alternative hypothesis represents in hypothesis testing. Give an ... Started by Lobcity	3 Replies 443 Views	Jul 24, 2018 by cadimas
Explain what is meant by the power of a hypothesis test and suggest one way a researcher might ... Started by acc299	1 Replies 160 Views	Jul 24, 2018 by SeanoH09
The null hypothesis for p = proportion of students who own their own car is H0: p = 0.10 . The ... Started by jjjetplane	1 Replies 162 Views	Jul 24, 2018 by matt
The null and alternative hypotheses for p = proportion of students who buy at least 3 textbooks in a ... Started by Wadzanai	1 Replies 148 Views	Jul 24, 2018 by mathjasmine
A Washington Post poll shows that concerns about housing payments have spiked despite some ... Started by washai	3 Replies 160 Views	Jul 24, 2018 by orangecrush
A z-test for testing hypotheses about a population proportion is to be conducted. True or false: One ... Started by ssal	1 Replies 192 Views	Jul 24, 2018 by maya.nigrin17@yahoo.com
A hypothesis test for a population proportion p is given below: H0: p = 0.70 Ha: p 0.70 For each ... Started by Deast7027	1 Replies 158 Views	Jul 24, 2018 by triiciiaa
Past data indicates an 80 (0.8) success rate in treating a certain medical problem. A new treatment ... Started by Chelseaamend	1 Replies 179 Views	Jul 24, 2018 by irishcancer18
An ESP experiment is done in which a participant guesses which of 4 cards the researcher has ... Started by sc00by25	3 Replies 186 Views	Jul 24, 2018 by jazzlynnnnn
About 90 of the general population is right-handed. A researcher speculates that artists are less ... Started by cherise1989	1 Replies 131 Views	Jul 24, 2018 by Mholman93
Consider testing the alternative hypothesis that the proportion of adult Canadians opposed to ... Started by ahriuashd	1 Replies 178 Views	Jul 24, 2018 by cuttiesgirl16
A null hypothesis is that the probability is 0.7 that a new drug will provide relief in a randomly ... Started by TVarnum	1 Replies 121 Views	Jul 24, 2018 by jennafosdick
The p-value for a one-sided test for a population proportion was 0.02 . The p-value for the ... Started by Jkov05	3 Replies 154 Views	Jul 24, 2018 by Mholman93
The p-value for a two-sided test for a population proportion was 0.04 . The p-value for a one-sided ... Started by lidoalex	1 Replies 145 Views	Jul 24, 2018 by mistyjohnson
Suppose a 95 confidence interval for p, the proportion of drivers who admit that they sometimes run ... Started by washai	1 Replies 164 Views	Jul 24, 2018 by jonathanballen97
A hypothesis test is done in which the alternative hypothesis states that more than 10 of a ... Started by mia	1 Replies 179 Views	Jul 24, 2018 by Harbringer
A random sample of 850 high school girls showed that 400 had done strenuous exercise over the past ... Started by Starlight	3 Replies 189 Views	Jul 24, 2018 by enass
A random sample of 800 high school boys showed that 420 had done strenuous exercise during the past ... Started by dbose	1 Replies 168 Views	Jul 24, 2018 by pikon
A random sample of 600 high school boys showed that 40 had taken diet pills during the past 30 days ... Started by Haya94	1 Replies 147 Views	Jul 24, 2018 by LegendaryAnswers
Gun control is a sensitive issue in the US. In a survey, 650 people favored a ban on handguns out of ... Started by ashley	1 Replies 169 Views	Jul 24, 2018 by 234sdffa
Let p represent the population proportion of all employees at a large company who are very concerned ... Started by olgavictoria	3 Replies 160 Views	Jul 24, 2018 by kilada

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Homework Clinic
Mathematics Clinic
Grade 11 and 12 Mathematics (Moderator: geoffrey)