Answer:
A recent report estimated that 25% of all college students in the United States have a sexually transmitted disease (STD). The director of the campus health center believes that the proportion of students with STDs is higher at their campus.
According to the American Heart Association guidelines, the daily maximum amount of sugar a teenager should have is 4 teaspoons. The parents of a local high school have expressed concerns that the average daily sugar intake of their students is higher than these guidelines and have been pressuring school officials to limit unhealthy snack and beverage choices offered in the cafeteria and student store.
Step-by-step explanation:
The first two researches involve the single sample compared to mean of population.
The 3rd and 4th research involves comparing samples of men and women that is two individual groups.
Answer:
Regulatory
Step-by-step explanation:
the rectangular sign with longer vertical dimension and have white background are called regulatory signs.
regulatory signs are those signals which are used to indicate or reinforce traffic laws.
these regulatory sign informs the driver and tell them to apply the traffic law at certain required places.
Answer:
A
Step-by-step explanation:
It's asking to see how far it will go in 6 seconds, and it's travelling downward.
Answer: A) 150
You put all the numbers in numerical order, than you get the middle number of both halves which will be 300 and 450, so you find the difference of that which is 150
Answer:
4
step by step if she has 7 cups and already put in 3
7-3=4
