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2 years ago

Which statements are true?

2 answers:

8 0

1.Centigrams are larger than decigrams: NO
2.Hectometers are smaller than kilometers: YES
3.Dekaliters are larger than kiloliters: NO
.4.Grams are smaller than dekagrams: YES

maxonik [38]2 years ago

8 0

Answer:

B AND D

Step-by-step explanation:

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A stationary store has decided to accept a large shipment of ball-point pens if an inspection of 17 randomly selected pens yield

Leno4ka [110]

Answer:

0.762 = 76.2% probability that this shipment is accepted

Step-by-step explanation:

For each pen, there are only two possible outcomes. Either it is defective, or it is not. The probability of a pen being defective is independent from other pens. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And p is the probability of X happening.

17 randomly selected pens

This means that $n = 17$

(a) Find the probability that this shipment is accepted if 10% of the total shipment is defective. (Use 3 decimal places.)

This is $P(X \leq 2)$ when $p = 0.1$ . So

$P(X \leq 2) = P(X = 0) + P(X = 1) + P(X = 2)$

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

$P(X = 0) = C_{17,0}.(0.1)^{0}.(0.9)^{17} = 0.167$

$P(X = 1) = C_{17,1}.(0.1)^{1}.(0.9)^{16} = 0.315$

$P(X = 2) = C_{17,2}.(0.1)^{2}.(0.9)^{15} = 0.280$

$P(X \leq 2) = P(X = 0) + P(X = 1) + P(X = 2) = 0.167 + 0.315 + 0.280 = 0.762$

0.762 = 76.2% probability that this shipment is accepted

8 0

2 years ago

The shirts cost a $150 for a 100 shirts how much per shirt

Irina18 [472]

Please mark brainliest

Step-by-step explanation:

1.5 dollars a shirt

3 0

2 years ago

Solve the equation. -7= h/5 A. –35 B. 35 C. 12 D. -7/5

kkurt [141]

What does 7 represent

5 0

2 years ago

a professional baseball team won 84 games this season . the team won 14 more games than it lost . how many games did the team lo

JulsSmile [24]

It played 20 lost 10
thank me later

7 0

2 years ago

17 subtracted from x is at lest 19

o-na [289]

17 subtracted from x is:
x-17

x-17 is AT LEAST 19, meaning your inequality sign is going to be a greater than or equal to sign, since it says AT LEAST.

Your expression will be:
x-17≥19

7 0

2 years ago