1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
belka [17]
3 years ago
11

Students at University X must be in one of the class ranks, Freshman, Sophomore, Junior, or Senior. At University X, 35% of the

students are Freshman and 30% are Sophomores. If a student is selected at random, the probability he or she is either a Junior or a Senior is:_______
Mathematics
2 answers:
Mashcka [7]3 years ago
5 0

Answer:

0.35

Step-by-step explanation:

1 - 0.35 - 0.3 = 0.35

Lorico [155]3 years ago
3 0

Answer:

35%

Step-by-step explanation:

35%+30%= 65%

65%+35% = 100%

You might be interested in
Find the sine of both angle A and angle B.
olchik [2.2K]
Sin = opposite/hyp

Sin A = 10/26   = 5/13

Sin b = 24/26 = 12/13

The answer is option A

Hope this helps



6 0
3 years ago
Read 2 more answers
. In the past decades there have been intensive antismoking campaigns sponsored by both federal and private agencies. In one stu
Sergeeva-Olga [200]

Answer: B. H_0:p_1=p_2

H_a:p_1>p_2

Step-by-step explanation:

Let p_1 be the proportion of all U.S. adults that smoked in 1995. Let p_2 denote the proportion of all U.S. adults that smoked in 2000.

Objective for the study : Whether the proportion of U.S. adults that smoke declined during the 5-year period between the samples.

i.e. p_1>p_2

Alternative hypothesis(H_a) is the statement containing population  parameter that shows there is significant difference between the groups being tested.

⇒ H_a:p_1>p_2

Null hypothesis(H_0) is the statement containing population parameter that shows there is no significant difference between the groups being tested.

⇒ H_0:p_1=p_2

Hence, The hypotheses to test in this problem are

H_0:p_1=p_2

H_a:p_1>p_2

Hence, the correct answer is B. H_0:p_1=p_2

H_a:p_1>p_2

8 0
3 years ago
Which of the following shows a number in fraction form? A. 3 B. 3.7 C. 3 ∕7 D. √2
kumpel [21]
C because u have 3/7 which is a fraction
7 0
3 years ago
Read 2 more answers
The local supermarket is having a holiday special on lollipops. The rainbow lollipops,x, cost $2 and the blue lollipops,y, cost
notsponge [240]

Answer:

the answer is 92 i think

Step-by-step explanation:

4 0
2 years ago
a bird 7 ft in the air flies down to the ground what integer would you use to represent the change in the bird's position
Cerrena [4.2K]
ANSWER(S):

-7

EXPLANATION(S):

original position: 7
change from original position: -7
5 0
3 years ago
Read 2 more answers
Other questions:
  • I need help on these 3 questions. Please help. “Find the area of each figure. Round your answer to the nearest tenth, show your
    9·1 answer
  • Rewrite with common denominator then solve 7/9 subtract 2/3
    15·2 answers
  • In the circle graph above, you can see that 47% of the company's monthly income is used to pay the owner's personal salary. If t
    13·1 answer
  • Angle abf is 77 , help please
    5·1 answer
  • Write a word phrase for 49+m
    10·2 answers
  • Which is the domain of the function f(x) =
    7·1 answer
  • Mr. Spencer wants to rent a car.He has two deals:
    9·1 answer
  • Are these correct???
    7·1 answer
  • When a person 6 feet tall casts a shadow
    13·2 answers
  • How does (46)(4) = 56 please tell me
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!