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Andreyy89
3 years ago
14

Use the frequency table to answer the following question.

Mathematics
2 answers:
Paha777 [63]3 years ago
5 0

Answer:

B) 70-79

Step-by-step explanation:

The median is the middle on the interval. 70-79 is the median.

Liono4ka [1.6K]3 years ago
3 0

Answer:

b is the answer

Step-by-step explanation:

it is the middle

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A train travels 250 miles (m) in 5 hours (h) . Calculate the average speed the train was traveling
Lana71 [14]

Answer50 mph

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
A rental car company claims the mean time to rent a car on their website is 60 seconds with a standard deviation of 22 seconds.
Gelneren [198K]

Answer:

Since the calculated value of Z does not fall in the critical region we accept our null hypothesis that mean = 60 seconds

Step-by-step explanation:

State the null hypothesis

H0: u = 60against the claim

Ha u≠   60   (this is a two tailed test)

Sample size n= 36

Sample mean=X`= 55

Population mean = u= 60

The significance level α = 0.05

Standard deviation= Sd = 22 seconds

Z= X`- u / Sd /√n

Z= 55- 60 / 22/√6

z= - 5/22/6

Z= -1.3635

The value of z from the table is Z∝/2= ±1.96

The critical region is less than - 1.96 and greater than 1.96.

Since the calculated value of Z does not fall in the critical region we accept our null hypothesis that mean = 60 seconds

4 0
3 years ago
Select a number that can complete the equation so that it has no solution. 6(x-7/6)=6x+__
BlackZzzverrR [31]
6(x - \frac{7}{6} ) = 6 x - 7 \\ 6x - 7 = 6x + ( - 7)
The answer is the third option, -7.

Hope this helps.
7 0
3 years ago
Joseph wants to buy a new tennis racquet which cost $200 from the factory. The sports shop marks up the price by 60%. Joseph bou
andriy [413]
Use multipliers:
The normal price the shop would sell the racquet for is:
1.6 * 200 = 320
'1.6' is the multiplier that I got using the percentage. Multiplying a value by 1.6 is the same as increasing the value by 60%. If you multiplied it by 0.1 (which is the same as dividing by 10), you would get just 10% of the value.
Back to the question, now we can use the multiplier 0.75 because we are are reducing the price by 25% (0.25 as a decimal), so:
320 * 0.75 = 240
And now we want just the profit so we take off how much it cost the shop to buy ($200): 240 - 200 = 40
5 0
3 years ago
Marcus picks 4 times as many blueberries as Tim. Marcus picks 20 cups of blueberries. How many cups of blueberries does Tim pick
gulaghasi [49]

How many cups of blueberries does Tim pick? tim pick 5 cups of blueberries

4 0
2 years ago
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