90 Question 8-11 are related to the following: 91 Let x be a normally distributed random variable with a mean of 30 and a standard deviation of 16. 92 8 What fraction of the distribution is below 0? 93 a 0.0304 94 b 0.0262 95 0.0226 96 d 0.0195 97 98 9 What fraction of the distribution is between 4 and 20? 99 a 0.2847 100 b 0.2588 101 C 0.2353 102 d 0.2139 103 104 10 What fraction of the distribution is above 55? 105 a 0.0715 106 b 0.0591 107 c 0.0488 108 d 0.0404 109 110 11 What value of the x axis marks the top 25% of the distribution? 111 a 40.8 112 b 38.8 113 C 37.0 114 d 35.2 115 116 Questions 12-14 are related to the following: 117 Let x be a normally distributed random variable with a mean of 125.6 and a standard deviation of 22.8. 118 12 What is the probability that x will be above 150? 0.1721 119 a 120 b 0.1565 121 C 0.1423 122 22 d 0.1293 123 124 13 What is the probability that x will be between 85.6 and 165.6 0.8402 125 a 126 b 0.8662 127 C 0.8930 128 d 0.9206 129 130 14 What middle interval includes 95% of x-values? 131 P(x