A cell's expected frequency can be defined as the number of people in its row divided by the total number of people, multiplied by the number in its column and is therefore denoted as option C.
<h3>What is Frequency?</h3>
This is defined as the number of occurrences of a repeating which takes place per unit time.It also helps to measure how frequent something occurs when counted or observed and is also used in the calculation of the different types of statistical data present or given.
This type of frequency is theoretical and are values which will most likely be in an experiment. it is calculated by multiplying the number in its column by the number of people in the row and dividing by the total number of people in this context.
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Answer:
C. 7500
Step-by-step explanation:
We must simply find out what 25% of 30,000 is.
Multiply .25 by 30,000 which equals 7,500
Answer:
4
Step-by-step explanation:
What is 10 percent of 40? = 4.
Answer:
Step-by-step explanation:
<u>Given:</u>
- 4/9 of students are Science Society members
- The rest are Mathematics Society members
- 2/5 of Science Society members are girls = 16 people
<u>Find the number of Science Society members:</u>
<u>Find the total number of group members:</u>
<u>Find the number of Mathematics Society members:</u>
Answer:
Tia cut a 4-meter 8-centimeter wire into 10 equal pieces. for Jay 10 quarts would be the answer. Step-by-step explanation: He needs x quarts for the inside painting and x + 19 quarts for the outside. These two measures add up to 2x + 19, which equals 107 (quarts) total. The last one is tring A is 35 cm long, string B is 5 times as long as string A, then string B is 35·5=175 cm long. In total both strings have length 35+175=210 cm. The total length of string needed for 17 identical decirative bottes is cm that is 35.7 m.