How does a digit in the 10 thousand place compared toa digit in the 10 place

1 answer:

6 0

For example, in the number 14,509, fourteen thousand five hundred and nine, 1 is in the ten thousands place, and zero is in the tens place.

1 4, 5 0 9
ten thousand^ ten^

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In 2000, the average GPA for Rutgers College students was 3.15. A sample in 2002 showed that the average GPA for Rutgers College

Vladimir79 [104]

Answer:

Null hypothesis: $\mu_{2002}\leq 3.15$

Alternative hypothesis : $\mu_{2002} > 3.15$

C. The mean Rutgers College GPA has increased to more than 3.15

Step-by-step explanation:

Data given and notation

$\bar X_{2000}=3.15$ represent the average score for Rutgers College in 2000

$\bar X_{2002}=3.46$ represent the average score for Rutgers College in 2002

$s_{2000}$ represent the sample standard deviation in 2000

$s_{2002}$ represent the sample standard deviation in 2002

$n$ sample size

State the null and alternative hypotheses. .

What are H0 and Ha for this study?

Null hypothesis: $\mu_{2002}\leq 3.15$

Alternative hypothesis : $\mu_{2002} > 3.15$

For this case we need to take in count that the alternative hypothesis can't have and = sign, and based on the information a good hypothesis here would be if the average GPA increased between 2000 and 2002, so based on this the best option for this case would be:

C. The mean Rutgers College GPA has increased to more than 3.15

4 0

3 years ago

Advertising A bank manager wants to encourage new customers to open accounts with principals of

schepotkina [342]

Answer:

The poster say, "Open an account of $3,500 and earn at least $10 interest in 1 month!" is correct

Step-by-step explanation:

Given, A bank manager wants to encourage new customers to open accounts with principals of at least $3,500.

He decides to make a poster advertising a simple interest rate of 4.8%.

We have to find what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month

We know that, banks offer simple interest