Answer:
The null and alternative hypothesis is 
and 
respectively.
Step-by-step explanation:
Consider the provided information.
If there is no statistical significance in the test then it is know as the null which is denoted by 
, otherwise it is known as alternative hypothesis which denoted by 
.
Consider the statement:
Test to see whether the mean tree planting time differ from two hours.
The null hypothesis is:
Therefore, the alternative hypothesis is:
Thus, the null and alternative hypothesis is and respectively.
Answer:
21b
Step-by-step explanation:
Answer:
$150
Step-by-step explanation:
Convert the percentage to decimal
50% = 0.5
Then Multiply the decimal to the number you need to find the percentage of
300 x 0.5 = 150
Hope this helps!
Percent means parts out of 100
6%=6/100=3/50
mixed numers are normally greater than 1, this isn't so it is simply
6/100 or 3/50
Answer:
Since 1 km = 1000 m, the lawnmowers top speed would be 8000 m/h.
Step-by-step explanation:
