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Andrews [41]
3 years ago
11

What would be the division problem for this

Mathematics
1 answer:
daser333 [38]3 years ago
7 0
3 1/2 divided by 5. this would give you .7 pounds of candy per person
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The mean number of English courses taken in a two–year time period by male and female college students is believed to be about t
prisoha [69]

Answer:

Step-by-step explanation:

This is a test of 2 independent groups. The population standard deviations are not known. it is a two-tailed test. Let m be the subscript for the number of English courses taken by male students and f be the subscript for the number of English courses taken by female students.

Therefore, the population means would be μm and μf.

The random variable is xm - xf = difference in the sample mean number of English courses taken by male and female students.

We would set up the hypothesis.

The null hypothesis is

H0 : μm = μf H0 : μm - μf = 0

The alternative hypothesis is

H1 : μm ≠ μf H1 : μm - μf ≠ 0

Since sample standard deviation is known, we would determine the test statistic by using the t test. The formula is

(xm - xf)/√(sm²/nm + sf²/nf)

From the information given,

xm = 3

xf = 4

sm = 0.8

sf = 1

nm = 29

nf = 16

t = (3 - 4)/√(0.8²/29 + 1²/16)

t = - 11.82

The formula for determining the degree of freedom is

df = [sm²/nm + sf²/nf]²/(1/nm - 1)(sm²/nm)² + (1/nf - 1)(sf²/nf)²

df = [0.8²/29 + 1²/16]²/[(1/29 - 1)(0.8²/29)² + (1/16 - 1)(1²/16)²] = 0.00715/0.00027781093

df = 25.7

Approximately, df = 26

We would determine the probability value from the t test calculator. It becomes

p value = 0.00001

Assuming a level of significance of 0.05, we would reject the null hypothesis because the p value, 0.00001 is < 0.05

Therefore, we can conclude that the means are not statistically the same.

3 0
3 years ago
Answer the questions below based on a bag of Jolly Ranchers having the following number of each flavor:
viva [34]
Part A) About 19/100
Part B) About 4/25
Part C) About 7/20
Part D) About 13/20
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2 years ago
Question 4 (20 points)
Blababa [14]

Answer:

The answer is C 128 cm3

Step-by-step explanation:

5 0
3 years ago
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What is the positive solution to this equation 4x^2+12x=135
Stels [109]

Answer:

answer for the equation is 6.75

5 0
3 years ago
Determine whether the following statement is true or false. Then, use complete sentences to explain your answer. If you wish, yo
chubhunter [2.5K]

Answer:

False

Step-by-step explanation:

An acute angle can be scalene

Eg - 2 angles of 20 degrees , and 1 angle of 50 degre

HOPE THIS WILL HELP YOU

8 0
3 years ago
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