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miss Akunina [59]
2 years ago
12

Jake throws a football down the field to his teammate. Jake's hand is 5 feet above the ground when the football is released with

an initial
vertical velocity of 40 feet per second.
Mathematics
1 answer:
Orlov [11]2 years ago
7 0
Heyyyy itfvbvcggggggghhhhgggg
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Angles in triangles <br><br> Question is in the photo
AnnZ [28]

Answer:

JSJXJX

Step-by-step explanation:

CF<DC<DE<DF<FE

7 0
2 years ago
A report on consumer financial literacy summarized data from a representative sample of 1,663 adult Americans. Based on data fro
Tom [10]

Answer:

a) 95% Confidence interval = (0.536, 0.584)

This means that we are 95% confident that between 53.6% and 58.4% of Americans would give themselves grade of A or B on their financial knowledge of personal finance.

b) The result of the 95% confidence interval agrees with the claim that majority of Americans would give themselves a grade of A or B on their financial knowledge of personal finance because the interval obtained for possible values that the population proportion of Americans that would give themselves a grade of A or B on their financial knowledge of personal finance lies completely on the side that is greater than a proportion of 0.50 which indicates that truly, majority of Americans would give themselves a grade of A or B on their financial knowledge of personal finance.

Step-by-step explanation:

Confidence Interval for the population proportion is basically an interval of range of values where the true population proportion can be found with a certain level of confidence.

Mathematically,

Confidence Interval = (Sample proportion) ± (Margin of error)

Sample proportion = proportion of Americans in the sample that would give themselves grade of A or B on their financial knowledge of personal finance = p = (934/1663) = 0.56

Margin of Error is the width of the confidence interval about the mean.

It is given mathematically as,

Margin of Error = (Critical value) × (standard Error)

Critical value at 95% confidence interval for sample size of 1663 is obtained from the z-tables as the sample size is large enough for the sample properties to approximate the population properties.

Critical value = 1.960 (from the z-tables)

Standard error of the mean = σₓ = √[p(1-p)/n]

p = 0.56

n = sample size = 1663

σₓ = √[0.56×0.44/1663] = 0.0121723457 = 0.01217

95% Confidence Interval = (Sample proportion) ± [(Critical value) × (standard Error)]

CI = 0.56 ± (1.96 × 0.01217)

CI = 0.56 ± 0.0238532

95% CI = (0.5361468, 0.5838532)

95% Confidence interval = (0.536, 0.584)

b) The result of the 95% confidence interval agrees with the claim that majority of Americans would give themselves a grade of A or B on their financial knowledge of personal finance because the interval obtained for possible values that the population proportion of Americans that would give themselves a grade of A or B on their financial knowledge of personal finance lies completely on the side that is greater than a proportion of 0.50 which indicates that truly, majority of Americans would give themselves a grade of A or B on their financial knowledge of personal finance.

Hope this Helps!!!

5 0
3 years ago
Find two consecutive whole numbers that 7 lies between.
Wittaler [7]
The answer is actually 3 and 4.

\sqrt{7} lies between the two consecutive numbers 3 and 4.

I hope this helped! :))
5 0
3 years ago
Use the following model.
kaheart [24]
Answer:
B.4
Step-by-step explanation:
the base is the bottom and on the bottom are what looks to be 4 bases

Hope this helps have a nice day
8 0
3 years ago
Read 2 more answers
What is the value of the expression below?<br> 32^3/5<br> O A. 6/5<br> B. 6<br> O c. 96/5<br> O D. 8
Hoochie [10]

Answer:

D. 8

Step-by-step explanation:

32^(3/5) is the same as \sqrt[5]{32}^3.

 \sqrt[5]{32} = 2 because 2^5=32

2^3 = 8

6 0
2 years ago
Read 2 more answers
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