Answer:
33/4 or 8 1/4
Step-by-step explanation:
-3 2/3 • (-2 1/4)
Step 1. Convert each into improper fractions
(Reply for details)
-11/3 • (-9/4)
Step 2. Multiply
(Reply for details)
99/12
Step 3. Simplify
(Reply for details)
33/4 or 8 1/4
Answer:
(A) Yes, since the test statistic is in the rejection region defined by the critical value, reject the null. The claim is the alternative, so the claim is supported.
Step-by-step explanation:
Null hypothesis: The wait time before a call is answered by a service representative is 3.3 minutes.
Alternate hypothesis: The wait time before a call is answered by a service representative is less than 3.3 minutes.
Test statistic (t) = (sample mean - population mean) ÷ sd/√n
sample mean = 3.24 minutes
population mean = 3.3 minutes
sd = 0.4 minutes
n = 62
degree of freedom = n - 1 = 62 - 1 = 71
significance level = 0.08
t = (3.24 - 3.3) ÷ 0.4/√62 = -0.06 ÷ 005 = -1.2
The test is a one-tailed test. The critical value corresponding to 61 degrees of freedom and 0.08 significance level is 1.654
Conclusion:
Reject the null hypothesis because the test statistic -1.2 is in the rejection region of the critical value 1.654. The claim is contained in the alternative hypothesis, so it is supported.
Answer:Elga is 11 because 3 times 11 = 33.
Step-by-step explanation:
Solution:
Given Expression is 1/40* x = 1/8
Step : Define x in the Equation:
Step : Divide the Equation by 8
Step : Do cross multiplication
Step : Arrange it in particular form
____________________________
☞ 1/40x = 1/8
☞ x/40 = 1/8
☞ x = ⅛ × 40
☞ x = 5
.
Therefore, Answer is 5.
