which is the best estimate of the product of the fraction? 4/7×8/9×14/15 who ever answer right will be marked brainlest

Mathematics

1 answer:

andriy [413]3 years ago

7 0

Answer:

448/945 or 64/135

Step-by-step explanation:

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Anyone know how to find the length of x using the 30,60,90 method?

QveST [7]

9514 1404 393

Answer:

2√5

Step-by-step explanation:

The side ratios in a 30-60-90 triangle are ...

1 : √3 : 2

The longest side (x) is 2 times the length of the shortest side (√5), so ...

x = 2√5

6 0

3 years ago

Read 2 more answers

32% of college students say they use credit cards because of the rewards program. You randomly select 10 college students and a

Tems11 [23]

Answer:

a) $P(X=2)=(10C2)(0.32)^2 (1-0.32)^{10-2}=0.211$

b) $P(X> 2)=1-P(X\leq 2)=1-[0.0211+0.0995+0.211]=0.668$

c) $P(2 \leq x \leq 5)=0.211+0.264+0.218+0.123=0.816$

Step-by-step explanation:

1) Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

2) Solution to the problem

Let X the random variable of interest, on this case we now that:

$X \sim Binom(n=10, p=0.32)$