To calculate deviation, you subtract the expected number from the observed number. What would be the deviation based on the data table below? Combinations

Expected

Observed

Heads/Heads

10

12

Group of answer choices

0

1

2

3

Select all the correct answers. lactobacillus is a bacteria that live inside humans. these bacteria live on the nutrients from our bodies. they to keep our gut clean and healthy. s. typhi is a bacteria that enter our bodies through contaminated food. this bacteria causes infections in the body. based on this information, which two statements about the association between these bacteria and humans are true? a. lactobacillus shares a parasitic relationship with humans. b. s .typhi shares a parasitic relationship with humans. c. both lactobacillus and s. typhi share a parasitic relationship with humans. d. both lactobacillus and s. typhi share a mutualistic relationship with humans. e. lactobacillus shares a mutualistic relationship with humans, and s. typhi shares a parasitic relationship multiply chrse

What are two reasons for why a species might disappear from the fossil record?

What best describes the dropping height of a ball that bounces back up to a height of 45 cm