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SVETLANKA909090 [29]
3 years ago
14

Someone please help me answer at least one of these problems it’s really hard and it’s due by tomorrow and I really don’t get it

someone helppp

Mathematics
1 answer:
Serga [27]3 years ago
5 0
For 5 and 6 : 5 would be 144 when you put 3 in the position of the t . And 6 would be 1,024 when you put 8 where the t is .
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Suppose a shipment of 170 electronic components contains 3 defective components. to determine whether the shipment should be​ ac
lbvjy [14]
If nCk represents the number of ways k parts can be chosen from a pool of n, the probability of interest is the complement of the probability of selecting all good parts.
  1 - (167C3)/(170C3) = 42,085/804,440 ≈ 0.0523

_____
nCk = n!/(k!(n-k)!)
7 0
3 years ago
Round 3160.9903 to the nearest tenths place
motikmotik
The tenths place is right after the decimal point. So, 3160.9903 can be 3160.9.
5 0
3 years ago
Read 2 more answers
Please help to answer ASAP
miv72 [106K]

143.17 times 1.35 = 193.28

5 0
3 years ago
What is the sum of 3 3/8 + 1 5/6
aleksklad [387]
Well 3 3/8 as a decimal is 3.375 and 1 5/6 as a decimal is 1.8333333333 and if you add those its <span>5.208333333</span>.
6 0
3 years ago
In a study, researchers wanted to measure the effect of alcohol in the development of the hippocampal region in adolescents. The
lbvjy [14]

Answer:

Kindly check explanation

Step-by-step explanation:

Given :

Sample size, n = 30

Tcritical value = 2.045

Null hypothesis :

H0: μ = 9.08

Alternative hypothesis :

H1: μ≠ 9.08

Sample mean, m = 8.25

Samole standard deviation, s = 1.67

Test statistic : (m - μ) ÷ s/sqrt(n)

Test statistic : (8.25 - 9.08) ÷ 1.67/sqrt(30)

Test statistic : - 0.83 ÷ 0.3048988

Test statistic : - 2.722

Tstatistic = - 2.722

Decision region :

Reject Null ; if

Tstatistic < Tcritical

Tcritical : - 2.045

-2.722 < - 2.045 ; We reject the Null

Using the α - level (confidence interval) 0.05

The Pvalue for the data from Tstatistic calculator:

df = n - 1 =. 30 - 1 = 29

Pvalue = 0.0108

Reject H0 if :

Pvalue < α

0.0108 < 0.05 ; Hence, we reject the Null

4 0
2 years ago
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