Identify the two types of incorrect decisions in a hypothesis test. For each incorrect decision, what symbol is used to represent the probability of making that type of error? Choose the correct answer below. OA. A Type I error is rejecting a true null hypothesis, whose probability is denoted a. A Type II error is not rejecting a false null hypothesis, whose probability is denoted B. OB. A Type I error is accepting a false null hypothesis, whose probability is denoted a. A Type II error is not accepting a true null hypothesis, whose probability is denoted ß. OC. A Type I error is not accepting a true null hypothesis, whose probability is denoted a. A Type II error is accepting a false null hypothesis, whose probability is denoted ß. O D. A Type I error is not rejecting a false null hypothesis, whose probability is denoted a. A Type II error is rejecting a true null hypothesis, whose probability is denoted ß.

A baseball team claims that the mean length of its games is 2.8 hours. State Ho and H, in words and in symbols. Then determine whether the hypothesis test for this claim is left-tailed, right-tailed, or two-tailed. Explain your reasoning. State the null hypothesis in words and in symbols. Choose the correct answer below. O A. The null hypothesis expressed in words is, "the mean length of a baseball team's games is 2.8 hours." The null hypothesis is expressed symbolically as, "Ho: u= 2.8." O B. The null hypothesis expressed in words is, "the mean length of a baseball team's games is at least 2.8 hours." The null hypothesis is expressed symbolically as, "Ho: u22.8." OC. The null hypothesis expressed in words is, "the mean length of a baseball team's games is at most 2.8 hours." The null hypothesis is expressed symbolically as, "Ho: uS2.8." O D. The null hypothesis expressed in words is, "the mean length of a baseball team's games is more than 2.8 hours." The null hypothesis is expressed…

The probability that a student knows the correct answer to a multiple choice question is 2/3. If the student does not know the answer, then the student guesses the answer. The probability of the guessed answer being correct is 1/4.Given that the student has answered the question correctly, the conditional probability that the student knows the correct answer is 8/9 3/4 2/3 5/6

Which set of numbers would correspond to a hypothesis test with the greatest power? Cohen's d = 0.6 & n = 500 O Cohen's d = 0.6 & n = 50 O Cohen's d = 0.5 & n = 50 O Cohen's d = 0.5 & n = 500

Which of the following correctly describes the meaning of the p-value?       a. The p-value is the probability the alternative hypothesis is true.   b. The p-value is the probability the null hypothesis is true.   c. The p-value is the probability we would get results like our sample (or something more extreme), given the null hypothesis is true.   d. The p-value is the probability the null hypothesis is true, given our sample.   e. The p-value is the probability the alternative hypothesis is true, given our sample.

Perform an appropriate hypothesis test to answer the above research question.  What is the Null Hypothesis H0.  Ho:

This type of error in hypothesis testing is also known as a “false positive” result.A. Type IB. Type AC. Type IID. Type B

The null hypothesis in the test for goodness of fit is that   a.  the data fit the expected frequencies.   b.  the data do not fit the expected frequencies.   c.  the variables are independent.   d.  the variables are dependent.

A hypothesis test is conducted in order to determine the average weight of a Kit Kat bar.using the following null and alternative hypotheses: H0: The average weight of a Kit Kat bar is 1.5 ounces. HA: The average weight of a Kit Kat bar is greater than 1.5 ounces. Using complete sentences, explain what both a Type 1 and Type 2 error would be in context of this hypothesis test.

7.54 [Data Set: TRAPS] LOBSTER TRAP PLACEMENT. Refer to the Bulletin of Marine Science (April 2010) observational study of lobster trap placement by teams fishing for the red spiny lobster in Baja California Sur, Mexico, Exercise 6.1270. Trap-spacing measurements (in meters) for a sample of seven teams of red spiny lobster fishermen are reproduced in the accompanying table. Let u represent the average of the trap-spacing measurements for the population of red spiny lobster fishermen fishing in Baja California Sur, Mexico. In Exercise 6.29O you computed the mean and standard deviation of the sample measurements to be = 89.9 meters and s = 11.6 meters, respectively. Suppose you want to determine if the true value of u differs from 95 meters. 93 99 105 94 82 70 86 Source: Based on G. G. Shester, "Explaining Catch Variation Among Baja California Lobster Fishers Through Spatial Analysis of Trap-Placement Decisions," Bulletin of Marine Science, Vol. 86, No. 2, April 2010 (Table 1), pp.…