PLEASE ANSWER ASAP. The following results come from two independent random samples taken of two populations.   Sample 1   Sample 2 N 50 N 30     X 13.4 X 11.6     S 2.3  S 3.1     a. What is the point estimate of the difference between the two population means? (to 1 decimal) b. Provide a 90% confidence interval for the difference between the two population means (to 2 decimals). ( ,  ) c. Provide a  95% confidence interval for the difference between the two population means (to 2 decimals).

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