Help please Food services for a school district examined the side dish choices for students at three types of schools in the district:
elementary school, middle school, and high school
Side Dish Chosen
French Fries
Carrot Sticks
Apple Wedges
Total
Elementary
85
35
23
143
Type of School
Middle
56
42
31
129
High
47
45
36
128
Total
188
122
90
400
What proportion of students are in middle school and chose French fries?
0.1400
0.2979
* 0.4341
0.4700
arch

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?

Write the equations in logarithmic form 9^4=6,561