Answer:
19 691 miles
Step-by-step explanation:
Last year, it drove 100%, which is 196,910. This year, it drove 90% lesser, so it actually only drove: 100% - 90% = 10%.
10% as a fraction is .
Distance travelled this year = × 196 910
= 19 691 miles
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.