-1 Quiz navig
A department store, A, has four competitors: B, C,D, and E. Store A hires a consultant to determine if the
percentage of shoppers who prefer each of the five stores is the same. A survey of 1100 randomly selected
shoppers is conducted, and the results about which one of the stores shoppers prefer are below.
d
2
out of
10
11
(0-E)
Store
А
question
Number of Shoppers Expected
0
E
262
220
234
220
204
220
190
220
210
220
1100
19
20
1764
196
256
900
С
D
F
Total
100
3216
Finish attem
Find the degree of freedom.
O b. 4
O c.3
O d. non of them
O e.5
Clear my choice

Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.