C Question 4 v A claim is made that the proportion of 6-10 year-old children who play sports is less than 0.4. A random sample of 497 children aged 6-10 showed that 38% of them play a sport. For each part below, enter only a numeric value in the answer box. For example, do not type \"2 =" or "t =" before your answers. Round each of your answers to 3 places after the decimal point. (a) Calculate the value of the test statistic used in this test. Test statistic's value = (b) Use your calculator to find the P-value of this test. P-value = (c) Use your calculator to find the critical value(s) used to test this claim at the 0.1 significance level. If there are two critical values, then list them both with a comma between them. Critical value(s) = Submit