et core: 3 of 6 pts 3 of 10 (10 complete) HW Score: 74.79%, 48.61 of 6 12.1.9 Qu
ID: 3326986 • Letter: E
Question
et core: 3 of 6 pts 3 of 10 (10 complete) HW Score: 74.79%, 48.61 of 6 12.1.9 Question Help | Determine (a) the r2 test statistic (b the degrees of freedom and [d) test the hypothesis at the c) the critical value level of significance Observed 3 39 121 442 391 Expected 16 25.5 153 408 408 la- Ho: The random variable X is binomial with n 4,p-0.8 H,: The random variable X is not binomial with n 4,p 0.8 (a) The test statistic is 18.61 Round to two decimal places as needed.) (b) There are degrees of freedom. (c) The critical value is Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer Clear All Check Answer part remaining Crstart enovOExplanation / Answer
Sol:
chi sq =18.61
df=n-1=5-1=4
critical chi sq value=9.488
o E 0-e (o-e)^2 (o-e)^2/e 3 1.6 1.4 1.96 1.225 39 25.5 13.5 182.25 7.147059 121 153 -32 1024 6.69281 442 408 34 1156 2.833333 391 408 -17 289 0.708333 chi sq test statistic 18.60654Related Questions
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