Each section of the tree diagram (in this case the branches that say vanilla chocolate and strawberry) must add up to 1
so to answer you should do 0.45+0.35= 0.8
then 1-0.8 =0.2
so Z is 0.2
Answer:
rectangle above = 3 x 5 = 15 cm²
rectangle below = 8 x 5 = 40 cm²
Answer:
H0 : μ = 0.107
H1 : μ ≠ 0.107
Step-by-step explanation:
The claim is the alternative hypothesis. H1 ; which is a researcher's opinion that the proportion of Americans aged 65 and above using the internet as changed from the mean value of 10.7% (0.107). The direction of the change is not given, hence. We cannot use the greater or less Than sign as the direction of the change isn't specified by the researcher or data Given. Hence, the shift could be either to the right or left. Hence, the use of the equal to and not equal to sign.
The null will oppose the alternative hypothesis and take the stance that the proportion hasn't changed from the initial mean.
D) 100; because 4 does not go into 25 and 50, while 25 does not go into 80.
Answer:
Step-by-step explanation:
- An obtuse angle has a measurement greater than 90 degrees but less than <em>180 degrees.</em>
<u>Correct choice is</u>