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Arte-miy333 [17]
3 years ago
8

At a bake sale Bailey is selling plates with 3 chocolate chip cookies each Julio is selling plates with 2 sugar cookies each if

a customer wants to buy the same number of cookies from Bailey and Julio what is the smallest number of cookies they must buy from a person
Mathematics
1 answer:
erastovalidia [21]3 years ago
8 0

Answer:

the least cookies someone can buy from one person is 6

Step-by-step explanation:

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You roll three six-sided dice. What is the probability that exactly two of the dice are odd? Write your answer as a fraction in
Alenkinab [10]

Answer:

1/4

Step-by-step explanation:

6 0
3 years ago
a manufacturer of cookies and crackers does a small survery of the age at sale of one of its brands. A tandom sample of 225 reta
Effectus [21]

Answer:

t=\frac{56.7-60}{\frac{30}{\sqrt{225}}}=-1.65    

df=n-1=225-1=224  

The p value would be:

p_v =P(t_{(224)}  

Since the p value is lower than the significance level we have enough evidence to reject the null hypothesis and we cna conclude that the true mean is less than 60 at 10% of significance.

Step-by-step explanation:

Information given

\bar X=56.7 represent the sample mean of interest

s=20 represent the sample standard deviation

n=225 sample size  

\mu_o =60 represent the value to check

\alpha=0.1 represent the significance level for the hypothesis test.  

t would represent the statistic (variable of interest)  

p_v represent the p value for the test

System of hypothesis

we want to check if the true mean is lower than 60, so thn the system of hypothesis are:

Null hypothesis:\mu \geq 60  

Alternative hypothesis:\mu < 60  

The statistic is given by:

t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}}  (1)  

Replcing into the formula we got:

t=\frac{56.7-60}{\frac{30}{\sqrt{225}}}=-1.65    

P value

The degrees of freedom are given by:

df=n-1=225-1=224  

The p value would be:

p_v =P(t_{(224)}  

Since the p value is lower than the significance level we have enough evidence to reject the null hypothesis and we can conclude that the true mean is less than 60 at 10% of significance.

7 0
3 years ago
The midpoint of AB is M(-6, 3). If the coordinates of A are (-8, 1), what are the coordinates of B?
sleet_krkn [62]

Answer:

(-4,5)

Step-by-step explanation:

-8-(-6)=2

3-1=2

-8+2=-6

1+2=3

-6+2=-4

3+2=5

(-4,5)

7 0
3 years ago
A train leaves Little​ Rock, Arkansas, and travels north at 70 kilometers per hour. Another train leaves at the same time and tr
Ipatiy [6.2K]
Train A speed= 70 km/h north
Train B speed= 75 km/h south 
Opposite directions= add speeds  70+75=145
Distance= 435 Km
Time= d/s; 435/145= 3 hours
It would take 3 hours for the trains to be 435 kilometers apart
4 0
3 years ago
PLEASE HURRY I WILL GIVE BRAINLIEST!!!!!!
nikitadnepr [17]

Answer:

C

Step-by-step explanation:

3 0
2 years ago
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