Answer:
B
Step-by-step explanation:
Put x as 1 and the output will be 9.
y = (3x)²
y = (3(1))²
y = 3²
y = 9
True
Answer: Independent event
Step-by-step explanation:
When two events are independent of each other, this means that the probability that one event will occurs does not in any way affects the probability of the occurrence of the other event.
For example, card is picked at random from a deck of cards, and after putting it back,thne another card is picked at random. The probability of picking the cards is not affected by each other since it is put back.
A statistical question will have more than one answer. Questions like, “How old are the students in my school?”or “What time did the students in this class get up this morning?” are examples of a statistical question. Pretty much if it involves asking more the one people it’s a statistical question because it will lead to more than one answer.
for gas a you do -21 - -8 which would equal -29 because if they are both negatives they add to each other but are still negative
Answer:
D. 2.064
Step-by-step explanation:
Number of sample (n) = 25, degree of freedom = n - 1 = 25 - 1 = 24, significance level = 0.05
The critical t value corresponding to 24 degrees of freedom and 0.05 significance level is 2.064
