To calculate the slope containing two points, we can use that formula:
"m" represents the slope and coordinates are expressed as follows: (x, y)
Let's go to the calculations.
The answer is 2 uc.
Mrs.Ruiz bought 5 bags of balloons for a party.Each bag contained 70 balloons.Andy said mrs.Ruiz bough a total of 75.Andy is inc
1 answer:
Answer:
Andy added 70 to 5 instead of multiplying 70 by 5.
Step-by-step explanation:
We have been given that Mrs.Ruiz bought 5 bags of balloons for a party. Each bag contained 70 balloons. Andy said Mrs.Ruiz bough a total of 75. Andy is incorrect what error did Andy make when calculating the total number of balloons.
To find the total number of balloons in 5 bags, we will multiply number of balloons in each bag by 5.
Therefore, the total number of balloons in 5 bags would be 350 balloons.
Andy added 70 to 5 instead of multiplying 70 by 5.
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Answer:
Step-by-step explanation:
Given that:
mean μ = 70
sample size = 25
sample mean = 73
standard deviation = 7
level of significance = 0.10
The null hypothesis and the alternative hypothesis can be computed as follows:
The z score for this statistics can be calculated by using the formula:
z = 2.143
At level of significance of 0.10
degree of freedom = n -1
degree of freedom = 25 - 1
degree of freedom = 24
The p - value from the z score at level of significance of 0.10 and degree of freedom of 24 is:
P - value = 1 - (Z < 2.143)
P - value = 1 - 0.9839
P - value = 0.0161
Decision Rule: since P value is lesser than the level of significance, we reject the null hypothesis.
Conclusion: We conclude that energy drink consumption increases heart rate.