Let X Represent the Amount of Time Till the Next

question 22

Multiple Choice

Let X represent the amount of time till the next student will arrive in the library parking lot at the university.If we know that the distribution of arrival time can be modeled using an exponential distribution with a mean of 4 minutes (i.e.the mean number of arrivals is 1/4 per minute) ,find the probability that it will take between 2 and 12 minutes for the next student to arrive at the library parking lot.

• A)0.049787
• B)0.556744
• C)0.606531
• D)0.656318

Recognize the importance of environmental factors and community infrastructure in disease prevention.

Understand the historical development of public health initiatives and their impact on community health.

Analyze the role of government and non-governmental organizations in the advancement of public health.

Identify key figures and their contributions to public health and nursing.