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1 year ago

Draw a pie chart representation of Roxy’s one-year budget plan using the expenses and income amounts from parts B through E.

Mathematics

1 answer:

sineoko [7]1 year ago

4 1

Answer:

Sorry for taking points but where are parts b and e

Step-by-step explanation:

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It is known that 70% of the customers in a sporting goods store purchase a pair of running shoes. a random sample of 25 customer

NikAS [45]

Let x be the discrete random variable whose value is the number of successes in n trials.

The probability distribution function for x of the binomial distribution B(n,p) is defined as

$B(n,p)= nC_xp^x(1-p)^{n-x}$

Given that the random sample size is $n=25$

let x represent number of customers who purchase running shoes

Let "p" be the probability of customers in a sporting goods store purchase a pair of running shoes.

It is given that 70% of the customers in a sporting goods store purchase a pair of running shoes.

Thus $p=\frac{70}{100}=0.7$

Thus the Probability distribution of x is given by

$P(X=x)= 25C_x(0.7)^x(1-0.7)^{25-x}$ , where $x=0,1,2,3,...,25.$

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2 years ago

A bamboo shoot is 20 inches tall at the zero and gross 24 inches each day which functions show below can be used to determine he

ale4655 [162]

It is definitely D because on part 1 n=24n+20 and if n equals 0 than 24 (0) +20= 20 and that is true. on part 2 if n =0 than 24 (0)+ 20 (0-1)=20 than 20 (-1)=20 -20= 20. that statement is false because-20 does not equal 20. AND for part 3 n=1 and f (1-1) + 24= 44 so f (0) + 24 =44 and keep in mind f (0) equals 20 so 44=44 because 24+20 is 44. so that is a true statement too

8 0

2 years ago

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s in the previous exercise, suppose the lengths of phone calls to the receptionist of a small company are i.i.d. with a mean of

Anna [14]

Answer:

jhviiu

Step-by-step explanation:

8 0

2 years ago

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The histogram to the right represents the weights (in pounds) of members of a certain high-school programming team. What is th

AVprozaik [17]

Answer:

Class width=20

Lower class limit of first class=100

Upper class limit of first class=120

Step-by-step explanation:

The class width can be calculated by taking the difference of two consecutive upper class limits or lower class limits.

Now we take any two consecutive upper class limits or lower class limits from classes 100-120,120-140,140-160,160-180,180-200,200-220,220-240.

We take upper class limits of first and second class i.e. 100 and 120.

Class width=120-100=20

Class width=20

The approximate lower and upper class limits of the first class from classes 100-120,120-140,140-160,160-180,180-200,200-220,220-240 are 100 and 120.

Class limits for first class is 100-120.

Lower class limit of first class=100

Upper class limit of first class=120

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2 years ago

A toaster oven costing $130 offers an extended warranty for 25% of the purchase price. If the local repair shop will fix a toast

pav-90 [236]

Answer:option c is the correct answer.

Step-by-step explanation:

A toaster oven costing $130 offers an extended warranty for 25% of the purchase price. This means that the money value of the warranty is

25/100 × 130 = 0.25 × 130 = $32.5

If the local repair shop will fix a toaster oven for $8, then the number of times that the toaster oven will break in order for the warranty to pay for itself is

32.5/8 = 4.0625

Therefore, it is 4 times

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2 years ago