, 22.06.2019 20:30 jessicaisbaehood

# Juanita and sam attend a beach party and notice that the local beach appears to have a great deal more trash washed up on shore than it did when they were young. the water doesn't appear nearly as clear, and there seems to be less evidence of small water creatures living in the shallows. an afternoon at the local library convinces them that one major cause is the new factory nearby. after some discussion, they decide their next step should be identifying the cause of the changes identifying the problem picketing the guilty factory lobbying their elected representatives to complain about the problem talking to a local environmental group about solutions

One question from a survey wasâ€‹ "how many credit cards do you currentlyâ€‹ have? " the results of the survey are provided. complete partsâ€‹ (a) throughâ€‹ (g) below. click the icon to view the survey results. â€‹(a) determine the mean number of credit cards based on the raw data. the mean is 3.113.11 credit cards. â€‹(type an integer or a decimal. do notâ€‹ round.) â€‹(b) determine the standard deviation number of credit cards based on the raw data. the standard deviation is 1.9111.911 credit cards. â€‹(round to three decimal places asâ€‹ needed.) â€‹(c) determine a probability distribution for the randomâ€‹ variable, x, the number of credit cards issued to an individual. xâ€‹ (# ofâ€‹ cards) â€‹p(x) xâ€‹ (# ofâ€‹ cards) â€‹p(x) 1 0.280.28 6 nothing 2 nothing 7 nothing 3 nothing 8 nothing 4 nothing 9 nothing 5 nothing 10 nothing â€‹(type integers or decimals. do notâ€‹ round.)