For each of the following situations, write the alternative hypothesis. (a) The null hypothesis is Ho:...
4. If the null hypothesis states Ho: E(Y) = uy then a two-sided alternative hypothesis is (a) H: E(Y) = p . (b) Hijy <jayo. (c) H : E(Y) ply (d) H1 : E(Y) > py
Determine the null hypothesis Ho and the alternative hypothesis Hy for the following case study: The national unemployment rate in a recent month was 9%. An elected official believes that the unemployment rate in his city is greater than or equal to the national average and conducts a statistical test to check his claim. HO:P < 0.09 HT: H > 0.09 Ho: p > 0.09 Hy: < 0.09 O Ho: < 0.09 Hy: p > 0.09 O Ho: p >...
Test the following claim. Identify the null hypothesis, alternative hypothesis, test statistic, critical value(s), conclusion about the null hypothesis, and final conclusion that addresses the original claim. A manual states that in order to be a hit, a song must be no longer than three minutes and thirty seconds (or 210 seconds). A simple random sample of 50 current hit songs results in a mean length of 252.5 sec. Assume the population standard deviation of song lengths is 53.5 sec....
For the following hypothesis test, determine the null and alternative hypotheses. Also, classify the hypothesis test as two-tailed, left-tailed, or right-tailed. The mean length of imprisonment for motor-vehicle theft offenders in this country is 23.2 months. A hypothesis test is to be performed to determine whether the mean length of imprisonment for motor-vehicle theft offenders in this city differs from the national mean of 23.2 months. Choose the correct null and alternative hypotheses below. O A. Ho:p> 23.2 months Hu=...
Examine the given statement, then express the null hypothesis Ho and the alternative hypothesis Hy in symbolic form. High school teachers have incomes with a standard deviation that is more than $18,000. Which of the following is the hypothesis test to be conducted? O A. Ho: 0# $18,000 H: 0 = $18,000 0 C. Hg: 0$18,000 Hy: 0 = $18,000 O E. Ho: o > $18,000 Hy: 0 = $18,000 OB. Ho: 6 = $18,000 H: 0< $18,000 OD. Ho:...
A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO is less than 3 in every one thousand. Formulate the null and alternative hypotheses for a hypothesis test. O A. Ho: p = 0.003 Hg: p<0.003 O B. Ho:p>0.003 He: p=0.003 0 C. Ho:p < 0.003 Ha: p = 0.003 OD. Ho: p = 0.003 Ha:p> 0.003
For the statement below, write the claim as a mathematical statement. State the null and alternative hypotheses and identify which represents the claim. According to a recent survey, 27% of college students used their own income or savings to pay for college Write the claim as a mathematical statement. O A. p<0.27 OD. p#0.27 O B. p>0.27 O E. P50.27 OC. P20.27 ON p=0.27 Choose the correct null and alternative hypotheses below. O A. Ho: P = 0.27 Ha: P+0.27...
Determine whether the following llustrate a one-sided altemative hypothesis or a two-sided alternative hypothesis. 1.Ho: EM- Y, 0 vs. H1: Em>>Y. 0. This example lustrates a 2. Ho: EM.,Y, o vs. Hti Em s #x 0, This example llustrates a 3, Ho: EM.,Y, vs. MpE(Y) * #x0. This example illustrates a altenative hypothesis alternative hypothesis. alternative hypothesis Y altermative hypothesis states the value is olther greater than or less than py o but not both, whereas a alternative hypothesis simply...
The P-value is.................(Round to
four decimal places as needed.)
The P-value for this hypothesis test
is............................(Round to three decimal places as
needed.)
The P-value for this hypothesis test
is................................(Round to three decimal places
as needed.)
Identify the P-value for this hypothesis test.
The P-value for this hypothesis test
is....................(Round to three decimal places as
needed.)
Trials in an experiment with a polygraph include 97 results that include 22 cases of wrong results and 75 cases of correct results. Use a...
Write the null and alternative hypothesis for each of the following research questions.1. Research Question: Is there a significant relationship between students’ modular compliance, and their geographical location from school?Null Hypothesis:Alternative Hypothesis:2. Research Question: Do teachers’ technological skills affect students’ academic performance?Null Hypothesis:Alternative Hypothesis:3. Research Question: Does the use of social media have an effect on senior high school students’ attention span in class?Null Hypothesis:Alternative Hypothesis: