to make signature blend, you need to fill the coffee machine with 1 3/4 cups of bean A and 3 1/2 cups of bean B. How many cups of coffee beans are required for the signature blend?

Summary statistics given for independent simple random samples from two populations. use the pooled t-interval procedure to obtain specified confidence interval. x1=71.6, s1=3.9, n1=11, x2=67.9, s2=3.4, n2=9 determine a 99% confidence level.