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3 years ago

6

Scott and Lana ride bikes a total of 64 miles in a week. Lana rides 8 fewer miles than Scott.How many miles does Lana ride each

week?

1 answer:

natka813 [3]3 years ago

3 0

lemme think ill brb

Step-by-step explanation:

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Amy, Bodie, Claire, and Dejan are in the same math class. The locations of their desks in relation to each other are graphed on

Xelga [282]

Answer:10 ft

Step-by-step explanation:

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3 years ago

If s = 1 over 4 unit and A = 80s2, what is the value of A, in square units? square unit(s). (Input whole number only.) (1 point)

9966 [12]

Answer:

7

Step-by-step explanation:

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3 years ago

nventing is a difficult way to make money. Only 5% of new patents earn a substantial profit. A certain city has just had30 indep

Arlecino [84]

Answer:

$P(X \geq 2) = 1-P(X$

And we can find the individual probabilities using the probability mass function and we got:

$P(X=0) = (30C0) (0.05)^0 (1-0.05)^{30-0} =0.2146$

$P(X=1) = (30C1) (0.05)^1 (1-0.05)^{30-1} = 0.3389$

And replacing we got:

$P(X \geq 2) = 1-P(X$

Step-by-step explanation:

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".

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

$X \sim Binom(n=30, p=0.05)$

The probability mass function for the Binomial distribution is given as:

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

Where (nCx) means combinatory and it's given by this formula:

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

Solution to the problem

For this case we want this probability:

$P(X \geq 2)$

And we can use the complement rule and we got:

$P(X \geq 2) = 1-P(X$

And we can find the individual probabilities using the probability mass function and we got:

$P(X=0) = (30C0) (0.05)^0 (1-0.05)^{30-0} =0.2146$

$P(X=1) = (30C1) (0.05)^1 (1-0.05)^{30-1} = 0.3389$

And replacing we got:

$P(X \geq 2) = 1-P(X$

3 0

3 years ago

SEND HELP!!!!!!!!<br><br> (image is attached)

Mars2501 [29]

Answer:

y=x+20

Step-by-step explanation:

we have to find the slope

y2-y1/x2-x1

3-2/23-22

1/1

y=1x+b

y-22 = 1(x-2) + b

y=x+20

5 0

4 years ago

A bakery sells packages of 10 bagels for $3.69. If the backery starts selling that bagels in packages of 12, how much would you

andreev551 [17]

Answer:

$4.43

Step-by-step explanation:

10 bagels cost $3.69. 1 bagel costs $3.69/10=$0.369

12 bagels cost $0.369×12=$4.43

4 0

3 years ago