When conducting a chi-square test of independence in a contingency table, as the difference between observed frequency and expected frequency _______________, the probability of rejecting the null hypothesis increases. a) stays the same b) decreases c) increases d) goes to 0

review(4c): The following table summarizes the outcomes of a study that researchers carried out to determine if females expresses a greater fear of heights than males. Find the expected number of females who should express fear of heights if the variables are indepently related. Round your answer to the nearest whole number.                                                        Men                                         Women expressed a fear of  heights                                         68                                               109 did not express a fear of heights                                      94                                                 89   (a) 80 (b) 93 (c) 87 (d)  97

At a drug rehab center 34% experience depression and 31% experience weight gain. 16% experience both. If a patient from the center is randomly selected, find the probability that the patient (Round all answers to four decimal places where possible.) a. experiences neither depression nor weight gain.   b. experiences depression given that the patient experiences weight gain.  c. experiences weight gain given that the patient experiences depression.  (round to 4 decimal places) d. Are depression and weight gain mutually exclusive? yes no   e. Are depression and weight gain independent?  no yes

X4.2.27 Assigned Media v Question Help v 34% of working mothers do not have enough money to cover their health insurance deductibles. You randomly select six working mothers and ask them whether they have enough money to cover their health insurance deductibles. The random variable represents the number of working mothers who do not have enough money to cover their health insurance deductibles. Complete parts (a) through (c) below. 4 0.087 5 0.018 0.002 (Round to the nearest thousandth as needed.) (b) Graph the binomial distribution using a histogram and describe its shape. Choose the correct graph below. A. OB. OD. AP(X) AP(x) AP(x) AP(x) 4 6 Describe the shape of the histogram. Choose the correct answer below. O A. Skewed right O B. Symmetrical O C. Skewed left O D. None of these Click to select your answer and then click Check Answer. Clear All Final Check part remaining 10:39 PM O e a D 40) 2/9/2021 P Type here to search Home 立