Total Cost = 55+0.35x
X represents the amount of minutes you spend talking on the phone.
Answer:
7.2 or 
Step-by-step explanation:
its the right answer
Answer:
Below
Step-by-step explanation:
● 3 + (9-5)^2 - (10-3)
● 3 + (-4)^2 - 10 + 3
● 3 + 16 - 10 + 3
● 19 - 10 + 3
● 9 + 3
● 12
The result to reject the null hypothesis can be interpreted as follows,
There is sufficient evidence to disprove the claim μ = 50.2
What is a null hypothesis?
A statistical hypothesis known as a null hypothesis asserts that no statistical significance can be found in a collection of provided observations. Using sample data, hypothesis testing is performed to judge a theory' veracity. It is sometimes referred to as just "the null," and its symbol is H0.
To determine if a theory regarding markets, investing methods, or economies is correct or wrong, quantitative analysts perform a hypothesis testing and employ the null hypothesis, often known as the conjecture. Any variation between the selected attributes that you observe in a collection of data is thought to be the result of chance, according to the null hypothesis.
Learn more about null hypothesis here:
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Answer:
75 feet
Step-by-step explanation:
