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17. A scientist claims that pneumonia causes weight loss in mice. The table shows the weights (in grams) of six mice before infection and two days after Infection. At a = 0.10, is there enough evidence to support the scientist's claim? Assume the samples are random and dependent, and the population is normally distributed. Complete parts (a) through (e) below. Mouse 3 5 6 Weight (before) 21.7 20.5 23.8 22.9 22.9 19.5 Weight (after) 20.2 19.6 23.1 22.5 21.8 18.6 (a) Identify the claim and state Ho and Ha What is the claim? O A. Pneumonia causes weight loss in mice. O B. Weight gain causes pneumonia in mice. O C. Pneumonia causes weight gain in mice. O D. Weight loss causes pneumonia in mice. Let Hy be the hypothesized mean of the difference in the weights (before - after). What are Ho and Ha? O A Hg: Hy = 0 O B. HO:Hy #0 O C. Hold 2d Ha : Hd # 0 Hai Hu = 0 Ha : Hy OB. to ort> O C. to (c) Calculate d and sa- d= 'Round to three decimal places as needed.) Calculate s Sd (Round to three decimal places as needed.) (d) Find the standardized test statistic t. 1= (Round to three decimal places as needed.) (e) Decide whether to reject or fail to reject the null hypothesis and interpret the decision in the context of the original claim. (1) the null hypothesis, There (2). enough evidence to (3) the claim that (4) causes (5) in mice. itemprod.pearsonomg.com/api/v1/print/math 1/2