Answer:
I need a picture
Step-by-step explanation:
The conclusion that is valid based on the result of the test would be : A. Her students on average, do not take 30 minutes on the quiz, contrary to what the textbook company stated
we can see in the statement that the average student only need about 25 minutes to take the quiz
hope this helps
Answer:
720 pennies
Step-by-step explanation:
Initially the Penny bank is 1/2 full
After removing 120 pennies it is 1/3 full;
Therefore. the fraction equivalent to 120 pennies is;
1/2 -1/3 = 1/6
Thus; Assuming the number of pennies that the penny bank can hold when full is x; then;
1/6 of x = 120
x = 120 × 6
= 720 pennies
Hence, when the penny bank is full it can hold 720 pennies.
Answer: Friday night. Least expensive ticket
Step-by-step explanation:
Friday night.: 48/3 =16 so each ticket costs $16
Saturday night 36/2= 18 so each ticket costs $18
Brother collects 96/6 = 16. So each person had enough for a $16 ticket. They can go to the Friday night concert. They paid for the least expensive ticket.
Answer: 346
Step-by-step explanation:
Given : Margin of error : E= 0.05
Standard deviation : 
Significance level :
Critical value : 
The formula to calculate sample size ( if proportion is known) :-
Hence, the required minimum sample would be 346.
