40 bikes. 120 times 40 equals 4800 divided by 2 because they pay for half the bike will be 2400
Answer:
13, 21, 29
Step-by-step explanation:
the difference is 8
so add 8 to last numbers
He can play his game 12 times
Explanation: 105-63=42
42 divided by 3.5=12
Answer: B.
Step-by-step explanation:
Let be the proportion of all U.S. adults that smoked in 1995. Let denote the proportion of all U.S. adults that smoked in 2000.
Objective for the study : Whether the proportion of U.S. adults that smoke declined during the 5-year period between the samples.
i.e.
Alternative hypothesis is the statement containing population parameter that shows there is significant difference between the groups being tested.
⇒
Null hypothesis is the statement containing population parameter that shows there is no significant difference between the groups being tested.
⇒
Hence, The hypotheses to test in this problem are
Hence, the correct answer is B.
Answer:
Step-by-step explanation: