Answer
89%, $96.34^{o}F,100.06^{o}F$.
Work Step by Step
Using Chebyshev's theroem, 89% of the values are maximum 3 standard deviations from the mean. Minimum:$98.2^{o}F-3\cdot0.62^{o}F=96.34^{o}F$, maximum:$98.2^{o}F+3\cdot0.62^{o}F=100.06^{o}F$,.
