Why did the student eat his homework? Answer to 5.1 puzzle time big math blue The teacher told him it was a piece of cake

Mathematics

1 answer:

wel3 years ago

7 0

Answer:

Not quite sure what the purpose of this question is, but... How do you get straight A's?

Use a ruler

*insert rimshot*

Step-by-step explanation:

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9. An express delivery service advertises next-day delivery of any parcel it receives before 3PM. The actual success rate is 90%

Juli2301 [7.4K]

Answer:

a) P(X =16 ) = 0.1853

b) $P(X \leq 12)$ = 0.0684

Step-by-step explanation:

GIVEN DATA:

n = 16

p = 0.90

from relation given probabllity can be solve

$P(X) = ^nC_x * p^x * ( 1 - p)^{n-x}$

$P(X =16 ) = ^{16}C_{16} * 0.90^x * ( 1 - 0.90)^{16-16}$

P(X =16 ) = 0.1853

b) $P(X \leq 12) = 1 - P(X \geq 13)$

= 1 - [ P(X = 13) +P(X = 14) +P(X = 15) +P(X = 16) ]

$= 1 - [ ^{16}C_{13} * 0.90^{13} * (1 - 0.90)^3 +^{16}C_{14} * 0.90^{14} * (1 - 0.90)^2 +^{16}C_{15} * 0.90^{15} * (1 - 0.90)^1 +^{16}C_{16} * 0.90^{16} * (1 - 0.90)^0 ]$

= 0.0684

4 0

3 years ago

What the answer I don’t get Mary at all

Bumek [7]

Answer:

Step-by-step explanation:

By order of operations, we first evaluate the parentheses, which is 2 * 1 = 2. We then evaluate the brackets, which are 3 / 2 = $\frac{3}{2}$ . Finally, $\frac{3}{2}$ * $\frac{2}{3}$ = $\frac{6}{6}$ or 1.