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castortr0y [4]
3 years ago
8

A cinema manager is carrying out a survey.

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
7 0
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The experimental probability that it will rain on any given day in Houston,Texas is about 15%. Out of 365 days, about how many d
AleksAgata [21]
15% of 365
0.15 x 365
= 54.75
about 55 days :)
3 0
3 years ago
Please helpp with these 2 questions
Ivanshal [37]

Answer:

answer=text

Step-by-step explanation:

copy the link

7 0
3 years ago
What is the probability that the mean duration of the 24 rowers with idna exceeds 63 minutes?
statuscvo [17]

Answer:

Step-by-step explanation:

Given that: Training-session duration of female rowers with normal iron status is Normally distributed, with mean 69 minutes and standard deviation 18minutes.

Solution:

z score shows the relationship between sample means. The z score is used to determine by how many standard deviations the raw score is above or below the mean. It is given by the formula:

z=\frac{x-\mu}{\sigma}\\\\for\ sample(n):\\\\z=\frac{x-\mu}{\sigma/\sqrt{n} }  \\\\where\ \mu=mean,\sigma=standard\ deviation,x=raw\ score

Given that μ = 69 minutes, σ = 18 minutes, n = 24

For x > 63 minutes:

z=\frac{x-\mu}{\sigma / \sqrt{n} } =\frac{63-69}{18/\sqrt{24} }=-1.63

From the distribution table, P(x > 63) = P(z > -1.63) = 1 - P(z < 1.63) = 1 - 0.0516 = 0.9484

7 0
3 years ago
WILL MARK BR HELP ME PLZ FAST AS POSSIBLE
posledela
<h2>Answer:</h2>

<h2>cos theta= adjacent side/ hypotenuse</h2><h2 /><h2>cos theta= adjacent side/ hypotenusecos 36= x/8</h2><h2 /><h2>cos theta= adjacent side/ hypotenusecos 36= x/8√5+1/4 = x/8</h2><h2 /><h2>cos theta= adjacent side/ hypotenuse </h2>

cos 36= x/8√5+1/4 = x/8

4.7 is the approximate answer

8 0
3 years ago
448 feet in inches if each inch was 50 feet and 706 feet in inches if each inch is 50 feet​
OLga [1]

Answer:

a). 448 feet in inches=8.96 inches

b). 706 feet in inches=14.12 inches

Step-by-step explanation:

a).

Step 1

Determine the conversion factor as follows;

1 inch=50 feet

To convert a value that's initially in feet to inches we multiply the value by the conversion factor;

(1/50)=0.02

To convert a value that's initially in inches to feet we multiply the value by the conversion factor;

50

Step 2

Convert 448 feet in inches

Value in inches=value in feet×conversion factor

where;

value in feet=448 feet

conversion factor=0.02

replacing;

value in inches=(448×0.02)=8.96 inches

b).

Convert 706 feet in inches

Value in inches=value in feet×conversion factor

where;

value in feet=706 feet

conversion factor=0.02

replacing;

value in inches=(706×0.02)=14.12 inches

6 0
4 years ago
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