Answer:
0.10
Step-by-step explanation:
Average age of Iowa residents = 37 years
Amy believes that the average age in her hometown in Iowa is not equal to this average
Alternative hypothesis : µ ≠ 37
Sample size = 30
t - test statistic = 1.311
The p-value of the test statistic can be obtained using the online p-value calculator :
The p- value obtained using a t-test statistic value of 1.311 and a degree of freedom (df =N-1; 30 - 1 = 29) at a 0.05 significance level = 0.100072 = 0.10 ( nearest hundredth)
Answer:
$2
Step-by-step explanation:
Equation: 22 = 5x +12
22-12 = 5x
10 = 5x
2 = x or x = 2 (whichever)
Answer:
252
Step-by-step explanation:
Of means multiply
84 % * 300
Change to decimal form
.84 * 300
252
Ok so what you have to do is multiply all the numbers ! Hope this helps so the answer is 127 !
Answer:
60mph
Step-by-step explanation: