Which function has a greater rate of change that the function represented in the table

In the beginning of the study, a randomly selected group of 121 students scored an average of 252 words per minute on the readin

Alborosie

Answer:

Since the sample size is larger than 30, the cognitive psychologist can assume that the sampling distribution of M will be approximately normal.

Step-by-step explanation:

We use the central limit theorem to solve this question.

The Central Limit Theorem estabilishes that, for a random variable X, with mean $\mu$ and standard deviation $\sigma$ , a sample size larger than 30 can be approximated to a normal distribution with mean $\mu$ and standard deviation $s = \frac{\sigma}{\sqrt{n}}$

So

Since the sample size is larger than 30, the cognitive psychologist can assume that the sampling distribution of M will be approximately normal.

5 0

3 years ago

How do u turn 67÷100 into a fraction need help plz

Deffense [45]

Answer:

67/100

Step-by-step explanation:

67÷100 Divide the numbers

0.67 then move the decimal point to the right

6.7 *10 this will give you the fraction

3 0

3 years ago

The fourth graders are going to the

natta225 [31]

Answer: 15

Step-by-step explanation: there is a total of 126 people just find the first number that's divisible by 9 that's above it and divide

7 0

3 years ago

Lillian and Isabella went shopping for school supplies. Lillian found her favorite notebook on sale so she bought three of the e

ASHA 777 [7]

Answer:

Each girl had $7.50 when they arrived.

Step-by-step explanation:

We have to figure out what c (cost of each notebook) is first before we find out how much money each girl had. We also know they have the same money, so both sides are connected. The equation should be: 3x = x + 5.

3x = x + 5

First, subtract x from both sides. This cancels out the addition by x.

3x - x = 5

Now, subtract x from 3x. This equals 2x.

2x = 5

To cancel out the multiplication by 2, divide both sides by 2.

x = 5/2

Lastly, divide 5 by 2 to get 2.5.

x = 2.5

Substitute x for 2.5 in the earlier equation (3x = x + 5)

3(2.5) = 2.5 + 5

First, multiply 3 by 2.5 to get 7.5.

7.5 = 2.5 + 5

Add 2.5 to 5 to get 7.5.

7.5 = 7.5

Both sides are equal so we have our answer. So, both girls had $7.50 when they arrived at the store.

4 0

3 years ago

Kendra hiked each day for a week the first day she hiked 1/8 mile the second day she hiked 3/8 mile and the third day she hiked

tigry1 [53]

The question requires us to find out by how much did Kendra increased her distance every day:
The first day she hiked 1/8 miles
the second day she hiked 3/8 miles
third day she hiked 5/8 miles
this can be written as arithmetic sequence given by:
1/8,3/8,5/8,...
the arithmetic difference will be:
3/8-1/8=5/8-3/8=2/8
This means that Kendra increased her daily distance by 2/8 miles

7 0

4 years ago