Answer:
first 2/21 2nd 4/43
Step-by-step explanation:
Answer:
20 Animals on each sheets.
Step-by-step explanation:
If there are 20 animals on each sheet, and before he gave 4 sheets away, the total would be 120 animal stickers total.
4 Sheets total have 80 animal stickers
120-80=40
2 sheets = 40 Animal stickers
Divide everything by two
1 Sheet = 20 Animal stickers
Answer:
It would be a female teacher 3 out of 4 times, and male 1 out of 4. You could make a circle, divide it into quarters, make a spinner and likely get male once of four times.
Answer:
185
Step-by-step explanation:
if it is 5 less then twice the number of the children's and the children's tickets you are going to add 95 +95= 190 then subtract 5 190-5=185
Answer:
z-statistic
Step-by-step explanation:
We have to identify the correct test statistic to use with the given conditions.
- If the sample size is larger than 30, then the sample is considered to be large.
- We are given a sample size of 51, which is a a large sample.
- Also, the population standard deviation is known.
- Thus, we use the z-statistic when testing a hypothesis about a single mean.
- Formula:

where
is the sample mean,
is the population mean,
is the population standard deviation and n is the sample size.