A survey asked randomly selected adults 18-29 years old to i…

A survey asked randomly selected adults 18-29 years old to indicate their working status. The results are shown in the following table.Working StatusFrequencyWorking full-time103Working part-time60Student, not working31Unemployed56Calculating the probability that a randomly selected adult 18-29 years old is unemployed is using ________ probability.

A statistics professor kept attendance records and recorded…

A statistics professor kept attendance records and recorded the number of absent students per class. This data is displayed in the following histogram with the frequency of each number of absent students shown above the bars.How many statistics classes had two or fewer students absent?

The following contingency table shows the number of adults w…

The following contingency table shows the number of adults with credit scores above and below 725 as well as their marital status. Credit Score Single (C) Married (D) Below 725 (A) 39 33 725 or above (B) 15 63         Determine whether Events A and C are independent or dependent. 

Mannitol salt agar (MSA) only allows the growth of halophile…

Mannitol salt agar (MSA) only allows the growth of halophiles. Among the halophiles, mannitol fermenters release acid that turns the pH indicator yellow; mannitol nonfermenters leave the medium red. Onto MSA you inoculate a halophilic mannitol fermenter and a nonhalophilic mannitol nonfermenter.  You see growth on only one of the plates. Given this scenario, the MSA acts as a _____ medium.