A group of students and workers entering a metro station were asked whether they were riding the bus or the subway. The two-way table shows their answers. A 4-column table with 3 rows. The first column has no label with entries students, workers, total. The second column is labeled bus with entries 27, 42, 69. The third column is labeled subway with entries 21, 76, 97. The fourth column is labeled total with entries 48, 118, blank. How many people were polled? 48 69 118 166
Answers: 3
SAT, 26.06.2019 05:00
Which statements are true for invasive species? 1. they always stabilize an ecosystem. 2. theyโre always successful in adjusting to a new habitat. 3. they often compete with the native species for resources. 4. they have the ability to displace the native species. 5. theyโre always pests.
Answers: 1
SAT, 26.06.2019 21:40
Consider a normal distribution of frog weights with u = 500 grams and o = 65 grams. a sample of size 2,000 is drawn from this population. approximately how many of the 2,000 cases would you expect to find between 435 and 565?
Answers: 3
SAT, 27.06.2019 20:30
Abacterium was found to contain a sequence of atcgggatcct in its genome. a few generations later, the sequence was found to be atcatcct. what type of mutation caused this change in the bacteria? a. duplication b. insertion c. inversion d. translocation
Answers: 1
A group of students and workers entering a metro station were asked whether they were riding the bus...
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