You may need to use the appropriate appendix table or technology to answer this question A quality control specialist has determined that 28% of the microchips produced in a certain facility are defective. A random sample of 190 tems is selected and checked for defects. (a) Determine the standard error of the proportion. (Round your answer to four decimal places) (b) What is the probability that the sample will contain more than 21.84 defective microchips? (Round your answer to four decimal places.) (c) What is the probability that the sample will contain tewer than 291 defective units 7 (Round your answer to four decimal places)