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sveta [45]
1 year ago
9

A baker’s dozen (13) of cookies is on sale for $2.08.

Mathematics
2 answers:
Luda [366]1 year ago
5 0

Complete Question

A baker's dozen (13) of cookies is on sale  for $2.08. What is the cost of an individual  cookie?

Answer:

The cost of an individual cookie is $0.16

Step-by-step explanation:

Given

Specifically, it was stated that the baker's dozen is 13 pieces

Hence. A dozen cookies = 13 cookies

Price of a dozen cookies = $2.08

In other words, the price of 13 cookies is $2.08

To get the cost of an individual cookie, we have to divide the price of a dozen cookies by the number of cookies. This is calculated as follows:

Cost of Cookies = \frac{Price of Cookies}{Number of Cookies}

By Substituting the right values,

Cost of Cookies = \frac{Price of Cookies}{Number of Cookies}  

becomes

Cost of Cookies = \frac{2.08}{13}

Cost of Cookies = 0.16

Hence, the cost of an individual cookie is $0.16

poizon [28]1 year ago
4 0
So taking this as if there are 13 dozens of cookies. First we do 13 times 12 which would be 156 cookies in total. Then 156 cookies times 2.08 is 324.48
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Children inherit their blood type from their parents, with probabilities that reflect the parents' genetic makeup. Children of J
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Answer:

n = 4, p = 0.25

Step-by-step explanation:

We are given the following in the question:

We treat adult having blood type A as a success.

P(Blood type A) =

p=\dfrac{1}{4} = 0.25

Then the number of Children of Juan and Maria who have blood type A follows a binomial distribution as there are

  • n independent trial.
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  • Probability of success is same for each success

Here,

P(X=x) = \binom{n}{x}.p^x.(1-p)^{n-x}

where n is the total number of observations, x is the number of success, p is the probability of success.

Thus, for the given binomial distribution,

n = 4, p = 0.25

6 0
1 year ago
Jillana takes a single dose of medication that remains in her body according to the equation r = 200(0.75)d, where r represents
grin007 [14]
I looked at another online and it said letter A. (Not 100% sure)
7 0
2 years ago
What is 2 hundreds + 15 tens + 6 ones
qwelly [4]
Two one hundred is 200.
15 tens is 150.
Six ones is the same.
200 + 150 + 6 = 456
5 0
1 year ago
Read 2 more answers
Billy goes on the teacup ride at the local carnival. He is seated 16 inches from the center of his teacup, which is spinning at
Orlov [11]

Answer:

Billy’s angular velocity, is 1508.16 radians per second

Step-by-step explanation:

We have to find angular velocity in radians per second

we have given angular velocity w = 4 revolutions per minute

we have to convert revolutions into radians and minutes into seconds.

so, we use the following conversion:

1 rev = 2* pi radians (where pi = 22/7 or 3.142)

1 min = 60 sec

putting the values in our equation : w = 4 revolutions per minute

=> w= 4 * ( 2* 3.142) *60

=> w= 1508.16 radians per second

hence Billy’s angular velocity, is 1508.16 radians per second

5 0
1 year ago
Read 2 more answers
A study was conducted to determine if there was a difference in the driving ability of students from West University and East Un
Sholpan [36]

Answer:

There is no significant evidence which shows that there is a difference in the driving ability of students from West University and East University, <em>assuming a significance level 0.1</em>

Step-by-step explanation:

Let p1 be the proportion of West University students who involved in a car accident within the past year

Let p2 be the proportion of East University students who involved in a car accident within the past year

Then

H_{0}:p1=p2

H_{a}:p1≠p2

The formula for the test statistic is given as:

z=\frac{p1-p2}{\sqrt{\frac{p*(1-p)*(n1+n2)}{n1*n2} } }  where

  • p1 is the <em>sample</em> proportion of West University students who involved in a car accident within the past year (0.15)
  • p2 is the <em>sample</em> proportion of East University students who involved in a car accident within the past year (0.12)
  • p is the pool proportion of p1 and p2 (\frac{15+12}{100+100}=0.135)
  • n1 is the sample size of the students from West University (100)
  • n2 is the sample size ofthe students from East University (100)

Then we have z=\frac{0.03}{\sqrt{\frac{0.135*0.865*(100+100)}{100*100} } } ≈ 0.6208

Since this is a two tailed test, corresponding p-value for the test statistic is ≈ 0.5347.

<em>Assuming significance level 0.1</em>, The result is not significant since 0.5347>0.1. Therefore we fail to reject the null hypothesis at 0.1 significance

6 0
1 year ago
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