According to an automotive report, 4.4% of all cars sold in California in 2017 were hybrid cars. Suppose in a random sample of 300 recently sold cars in California, 10 were hybrids. Complete parts (a) and (b) below. Click the icon to view a graphical technology output for this situation. a. Write the null and alternative hypotheses to test that hybrid car sales in California have declined. H0:p=0.044Ha:p<0.044 (Type integers or decimals. Do not round.) b. Report the value of the test statistic (z) from the figure. z= (Type an integer or a decimal rounded to four decimal places as needed.).