Answer:
- c) an observational study
- c) convenience sample
- a) blocking for gender
Step-by-step explanation:
It is an abservational study because she is only watching and not asking the all or a group of employees to tell her their response to what she wants to know.
It is a convenience sample because subjects are selected because of their closeness to the researcher.
Answer:

Step-by-step explanation:
What I did was

then I did

and I'm hoping 150 is the answer. HOPE THIS HELPED
Answer:
length = 13
Step-by-step explanation:
<span>Presumably, the opposite of decimals are fractions because by dividing the two numbers you get the decimal value of the fractional form of the number. Refer to the example below.
How do you write 39/100 into a decimal form is by simply dividing 39 to 100. </span>
<span>Hence, </span>
1. 39 / 100 = 0.39 -> Hence this is the decimal form.
<span>0.39 is the decimal form of the given value. </span>
<span>Other examples can include: </span>
<span><span>1. </span> 100 / 1000 = 0.1</span> <span><span>
2. </span> 45 / 10 = 4.5</span><span>
</span>
Hello!
a. You have to find 45% of 1,200. To find percents, change the % to a decimal and multiply
45% = 0.45
0.45 × 1,200 = 540

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b. You have to find 15% of 56. To find percents, change the % to a decimal and multiply.
15% = 0.15
0.15 × 56 = 8.4