In a poll, 102 of 1020 randomly selected adults aged 18 or older stated that they believe there is too little spending on national defense. Use this information to complete parts (a) through (c) below. Formula sheet (a) Obtain a point estimate for the proportion of adults aged 18 or older who feel there is too little spending on national defense. p = (Simplify your answer.) (b) Construct a 90% confidence interval for the proportion of adults aged 18 or older who believe there is too little spending on national defense. The 90% confidence interval is Round to three decimal places as needed.) (c) Is it possible that more than 15% of adults aged 18 or older believe there is too little spending on national defense? Is it likely