Answer:
D. 14.99d
Step-by-step explanation:
d represents the number of DVD's she purchased, and 14.99 was the cost for each DVD. Answer D is multiplying the variable d and the coefficient 14.99. When multiplying variables, there is no need to place a multiplication sign.
The inequality in this graph is B
1.) x is greater than 5
2.) an unknown number is greater than five
3.) x is greater than five
<span>Null Hypothesis:µ equals 2.5Alternative Hypothesis:
µ not equal to 2.5
Z Test
Test Statistic, Ztest: -18.1912
Critical Zcritical: ±1.9607
P-Value: 0,0000
As Ztest is not within the limits of Zcritical we can reject the null hypothesis
95% Confidence interval:
2.495746 < µ < 2.496574</span>