Arandom sample of 25 values is drawn from a mound-shaped and symmetric distribution. the sample mean is 14 and the sample standard deviation is 2. use a level of significance of 0.05 to conduct a two-tailed test of the claim that the population mean is 13.5. (a) is it appropriate to use a student's t distribution? explain.

Click on the graphic until you find the right quotient. (36xa - 30xb) ÷ (-6x2)

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

Pick the expression that matches this description: a polynomial of the 5th degree with a leading coefficient of 7 and a constant term of 6 (choice a) 7x^5+2x^2+6 (choice b) 7x^6−6x^4+5 (choice c) 6x^7−x^5+5 (choice d) 6x^5+x^4+7