Mathematics, 14.07.2019 05:00 speris1443
Askater conducted a survey at his school. the data he collected is in the table below. if his sample was random, which conclusion below is the most reasonable based on the sample? gender (m/f) have you ever ridden a skateboard? (y/n) do you own a skateboard? (y/n) do you skateboard at least once a week? (y/n) m n n n f n n n m y y n m y y y f y n n m y n n m y y n f y n n f y y y f n n n 10% of the boys at the school have never ridden a skateboard 10% of the girls at the school own a skateboard 20% of the students at the school own a skateboard 20% of the students at the school skateboard at least once a week
Answers: 1
Mathematics, 21.06.2019 19:00
Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?
Answers: 3
Mathematics, 22.06.2019 04:20
Consider u = {x|x is a negative real number}which is an empty set? o {x|x eu and x has a negative cube root}o {x|x eu and x has a negative square root}{x|x eu and x is equal to the product of a positive number and -1}{x|x eu and x is equal to the sum of one negative and one positive number?
Answers: 1
Mathematics, 22.06.2019 08:00
Pre-algebra ! : ) use the triangles shown to answer questions 1–3. blue and red congruent triangles name angles 1. name one pair of congruent angles. (1 point) ∠pqr and ∠vst ∠prq and ∠svt ∠rqp and ∠tvs ∠qpr and ∠stv 2. name one pair of congruent sides. (1 point) segments pr and sv segments qr and st segments rp and ts segments pq and vs 3. which method shows that the two triangles are congruent? (1 point) sss sas asa aaa
Answers: 3
Askater conducted a survey at his school. the data he collected is in the table below. if his sample...
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