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trasher [3.6K]
3 years ago
14

Suppose that a manager is interested in estimating the average amount of money customers spend in her store. After sampling 36 t

ransactions at random, she found that the average amount spent was $ 35.25 35.25 . She then computed a 95 95 % confidence interval to be between $ 31.84 31.84 and $ 38.66 Which statement gives a valid interpretation of the interval? The store manager is 95% confident that the average amount spent by the 36 sampled customers is between S31.84 and $38.66. There is a 95% chance that the mean amount spent by all customers is between $31.84 and $38.66. O There is a 95% chance that a randomly selected customer will spend between $31.84 and $38.66. The store manager is 95% confident that the average amount spent by all customers is between $31.84 and S3866
Mathematics
1 answer:
Kitty [74]3 years ago
4 0

Answer: The managers statment would most likely give the valid interpretation.

Step-by-step explanation: If the store manager is 95% confident that the average amount spent was between $31.84 and $38.66. Then the store manager is most likey correct so I would have to say I agree with the manager. This may be a tricky question at first, but look at the problem from a different perspective. I am very sorry if this happens to be wrong.

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4. Polynomial Division<br> Divide. (x3 – 2x – 3) ÷ (x + 3)
lys-0071 [83]
The answer would be 24/x+3 in Polynomial Division :-)
4 0
4 years ago
The given lengths are two sides of a right triangle. All three side lengths of the triangle are integers and together form a pyt
Leni [432]
If all three side lengths are INTEGERS and form PYTHAGOREAN TRIPLE then we know decimals are not allowed

if 24 and 51 are both legs then
24^{2} +  51^{2} =  x^{2}
x = 3177
and squre root of that gives us 56.364.... NOT an integer

So that means one of them is not a leg and since hypotenuse is longer than both legs, 51 must be the hypotenuse so to get the third side

51^{2} -  24^{2}  =  x^{2}[tex] [tex] x^{2}=2025
x=45, leg B

7 0
3 years ago
Suppose you're given the formula R=s+2t and s is three times greater than t, how could you rewrite the formula
sattari [20]

Answer:

R = 5t

Step-by-step explanation:

given s is three times t then s = 3t and

R = 3t + 2t = 5t


4 0
3 years ago
T-shirts are on sale for 35% off. If a T-shirt originally costs 17.40, what is the sale price?
ch4aika [34]

Answer:

49.7142857143

Step-by-step explanation:

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3 0
3 years ago
Select the correct answer.
FromTheMoon [43]

The approximate area in square feet of the sides panel is 146.4 feet.

<h3>Area = 1 / 2 bh</h3>

where

b = base

h = height

Therefore, let's find the height and the base using trigonometric ratios.

sin 30 = opposite / hypotenuse

sin 30° = h / 26

cross multiply

h = 26 ×  1 / 2

h = 13 ft.

Let's find the base using Pythagoras theorem.

b² = 26² - 13²

b² = 676 - 169

b = √507

b = 22.5166604984

b = 22.52 ft

Area = 1 / 2 × 22.52 × 13

Area = 292.76 / 2

Area = 146.38 ≈ 146.4 ft


learn more on right angle triangle here: brainly.com/question/20999524?referrer=searchResults

8 0
3 years ago
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