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zepelin [54]
3 years ago
12

What is the probability that you roll a 5 on a die? Express answer as a fraction.

Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
5 0
4/36 (11.111%) google
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In a recent​ year, an author wrote 171 checks. Use the Poisson distribution to find the probability​ that, on a randomly selecte
sveticcg [70]

Answer: 0.3741

Step-by-step explanation:

Poison probability ;

P(x) = [U(^x) e(^-U)] ÷ x!

Where U = mean

Note: e = exponential symbol

Number of checks that year = 171

Number of days in a year = 365

U = 171/365 = 0.468

Average checks per day = 0.4685

Probability that at least one check was written per day is can be calculated by;

P(not 0) = 1 - P(0)

Therefore,

P(x) = [U(^x) e(^-U)] ÷ x!

P(0) = [ 0.4685^0 * e^-0.4685] ÷ 0!

P(0) = [ 1 * 0.6259] ÷ 1

P(0) = 0.6259

Therefore,

P(not 0) = 1 - 0.6259 = 0.3741

4 0
3 years ago
4 1/3 ÷ 5 1/6 the respricol of a fraction must be found to solve the problem .what is reciprocal fraction that should be used ?
emmasim [6.3K]

The denominator would be 6.


4 0
3 years ago
Find AB<br> Round to the nearest tenth.
lianna [129]

Answer:4.1

Step-by-step explanation:

c=AB

C=26°

B=122°

b=8

Using sine rule

c/sinC = b/sinB

c/sin26=8/sin122

Sin26=0.4384

Sin122=0.8480

c/0.4384=8/0.8480

Cross multiply

c x 0.8480=8 x 0.4384

c x 0.8480=3.5072

Divide both sides by 0.8480

(c x 0.8480)/0.8480=3.5072/0.8480

c=4.1

7 0
3 years ago
Aden buys a ticket to the museum. His ticket cost 7.75 he pays with two 5 dollar bills. How much change should he get back
vichka [17]
5+5=10 and 10-7.75 is 2.25 so he would get back $2.25 as change
4 0
3 years ago
John makes $14 an hour, h, plus $20 in tips at the end of the night. How much will John make if he works 9 hours?
ad-work [718]

Answer:

146

Step-by-step explanation:

Since John works for 9 hours and makes 14 an hour. You multiply 14 by 9 which equals 126. You add 20 from the tips to 126. This makes 146.

6 0
3 years ago
Read 2 more answers
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