Can yall help me with number 10.....the graph counts too....oops i put math i meant to put science

Mathematics

1 answer:

cupoosta [38]3 years ago

8 0

You need to re-look at number

9. The car went 4 meters in 4 seconds, so the speed would be 1 meter/sec.

10. To get an average you have to take all 3 data entries and add them together then divide by 3 (the amount of entries). In this one, they were trying to be a little tricky by saying 2 hours at 40 km each. The total is 3 hours, so we'll divide by 3 to get km/hour. Let's do it!

80 + 40 + 40 = 160
160/3 = 53 1/3 km/hour

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Answer: Null hypothesis: $p\leq0.50$

Alternative hypothesis: $p>0.50$

Step-by-step explanation:

A null hypothesis is a type of hypothesis that states that there is no difference between a particular parameter of a population whereas an alternative hypothesis states that there is a difference.

Given: p = Proportion of all marketing researchers who disapprove of the actions taken in the conflict of interest scenario.

n= 200

Sample proportion = $\hat{p}=\dfrac{109}{200}=0.545$