Claire says that if she runs at an average rate of 6 miles per hour, it will take her about 2 hours to run 18 miles do you agree or disagree with claire? use numbers and words to support your answer

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?