Question

> 9.9, based on a random sample of 71 observations drawn from a Test the null hypothesis Ho: M=9.9against the alternative hypothesis HA: normally distributed population with Z = 4.1 and 0 = 0.89. a) What is the value of the test statistic? Give your response to at least 3 decimal places. Number b) What is the appropriate p-value? Give your response to at least 3 decimal places. Number c) Is the null hypothesis rejected at: i) the 10% level of significance? Click for List ii) the 5% level of significance? Click for List

Answer 1

Hypothesis is Ho: 41=3.9 VIS HA: 473.9 Tapid, 6= 0.89 on=1 a) test glatistic 7= *-3.9 - 4.4-2.9 6/56 039/571 2-1894 Test statistic is 1894 b) p-value PCZ > 1.894) , by using standard normal table p-value = PC2) 1.894) = 0.029 .: P-value = 0.029 C) IS the null hypothesis rejected at i) 101. level of significance Yes P-value con Reject Ho i) 54. level of significance tres P-value 20.05 a Reject Ho