francesca wants to give one of her photographs to a friend as a gift. help her choose the photograph and determine the style and
1 answer:
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Answer:
D
Step-by-step explanation:
using the definition of n =
where n! = n(n- 1)(n - 2)......× 3 × 2 × 1
here n = 7 and r = 4, hence
7
=
= ← cancel 3 × 2 × 1 leaving
7 = 7 × 6 × 5 × 4 = 840 → D
Required data table is attached below :
Answer:
D. The fewest students prefer black Model A1 calculators.
Step-by-step explanation:
From the data Given :
Larger proportion of students prefer White calculators(0.65) to black calculators (0.35)
Also, Fewer proportion of students like black model C3 (0.20) than white model A1 (0.40)
Also, the proportion of students who like model C3 calculators(0.30) are fewer than those who prefer the model A1 (0.45)
Therefore, the true inference which can be derived from the data is, the least preferred calculator is the Black model A1 calculator with a proportion of 0.05
